31888080

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 400

約数和(自身を含む): 136836480

約数和(自身を除く): 104948400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 37, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 74, 76, 80, 81, 84, 90, 95, 105, 108, 111, 112, 114, 120, 126, 133, 135, 140, 144, 148, 152, 162, 168, 171, 180, 185, 189, 190, 210, 216, 222, 228, 240, 252, 259, 266, 270, 280, 285, 296, 304, 315, 324, 333, 336, 342, 360, 370, 378, 380, 399, 405, 420, 432, 444, 456, 504, 513, 518, 532, 540, 555, 560, 567, 570, 592, 630, 648, 665, 666, 684, 703, 720, 740, 756, 760, 777, 798, 810, 840, 855, 888, 912, 945, 999, 1008, 1026, 1036, 1064, 1080, 1110, 1134, 1140, 1197, 1260, 1295, 1296, 1330, 1332, 1368, 1406, 1480, 1512, 1520, 1539, 1554, 1596, 1620, 1665, 1680, 1710, 1776, 1890, 1995, 1998, 2052, 2072, 2109, 2128, 2160, 2220, 2268, 2280, 2331, 2394, 2520, 2565, 2590, 2660, 2664, 2736, 2812, 2835, 2960, 2997, 3024, 3078, 3108, 3192, 3240, 3330, 3420, 3515, 3591, 3780, 3885, 3990, 3996, 4104, 4144, 4218, 4440, 4536, 4560, 4662, 4788, 4921, 4995, 5040, 5130, 5180, 5320, 5328, 5624, 5670, 5985, 5994, 6156, 6216, 6327, 6384, 6480, 6660, 6840, 6993, 7030, 7182, 7560, 7695, 7770, 7980, 7992, 8208, 8436, 8880, 9072, 9324, 9576, 9842, 9990, 10260, 10360, 10545, 10640, 10773, 11248, 11340, 11655, 11970, 11988, 12312, 12432, 12654, 13320, 13680, 13986, 14060, 14364, 14763, 14985, 15120, 15390, 15540, 15960, 15984, 16872, 17955, 18648, 18981, 19152, 19684, 19980, 20520, 20720, 20979, 21090, 21546, 22680, 23310, 23940, 23976, 24605, 24624, 25308, 26640, 27972, 28120, 28728, 29526, 29970, 30780, 31080, 31635, 31920, 33744, 34965, 35910, 37296, 37962, 39368, 39960, 41040, 41958, 42180, 43092, 44289, 45360, 46620, 47880, 47952, 49210, 50616, 53865, 55944, 56240, 56943, 57456, 59052, 59940, 61560, 62160, 63270, 69930, 71820, 73815, 75924, 78736, 79920, 83916, 84360, 86184, 88578, 93240, 94905, 95760, 98420, 101232, 104895, 107730, 111888, 113886, 118104, 119880, 123120, 126540, 132867, 139860, 143640, 147630, 151848, 167832, 168720, 172368, 177156, 186480, 189810, 196840, 209790, 215460, 221445, 227772, 236208, 239760, 253080, 265734, 279720, 284715, 287280, 295260, 303696, 335664, 354312, 379620, 393680, 398601, 419580, 430920, 442890, 455544, 506160, 531468, 559440, 569430, 590520, 664335, 708624, 759240, 797202, 839160, 861840, 885780, 911088, 1062936, 1138860, 1181040, 1328670, 1518480, 1594404, 1678320, 1771560, 1993005, 2125872, 2277720, 2657340, 3188808, 3543120, 3986010, 4555440, 5314680, 6377616, 7972020, 10629360, 15944040, 31888080]

約数ペア:

[(1, 31888080), (2, 15944040), (3, 10629360), (4, 7972020), (5, 6377616), (6, 5314680), (7, 4555440), (8, 3986010), (9, 3543120), (10, 3188808), (12, 2657340), (14, 2277720), (15, 2125872), (16, 1993005), (18, 1771560), (19, 1678320), (20, 1594404), (21, 1518480), (24, 1328670), (27, 1181040), (28, 1138860), (30, 1062936), (35, 911088), (36, 885780), (37, 861840), (38, 839160), (40, 797202), (42, 759240), (45, 708624), (48, 664335), (54, 590520), (56, 569430), (57, 559440), (60, 531468), (63, 506160), (70, 455544), (72, 442890), (74, 430920), (76, 419580), (80, 398601), (81, 393680), (84, 379620), (90, 354312), (95, 335664), (105, 303696), (108, 295260), (111, 287280), (112, 284715), (114, 279720), (120, 265734), (126, 253080), (133, 239760), (135, 236208), (140, 227772), (144, 221445), (148, 215460), (152, 209790), (162, 196840), (168, 189810), (171, 186480), (180, 177156), (185, 172368), (189, 168720), (190, 167832), (210, 151848), (216, 147630), (222, 143640), (228, 139860), (240, 132867), (252, 126540), (259, 123120), (266, 119880), (270, 118104), (280, 113886), (285, 111888), (296, 107730), (304, 104895), (315, 101232), (324, 98420), (333, 95760), (336, 94905), (342, 93240), (360, 88578), (370, 86184), (378, 84360), (380, 83916), (399, 79920), (405, 78736), (420, 75924), (432, 73815), (444, 71820), (456, 69930), (504, 63270), (513, 62160), (518, 61560), (532, 59940), (540, 59052), (555, 57456), (560, 56943), (567, 56240), (570, 55944), (592, 53865), (630, 50616), (648, 49210), (665, 47952), (666, 47880), (684, 46620), (703, 45360), (720, 44289), (740, 43092), (756, 42180), (760, 41958), (777, 41040), (798, 39960), (810, 39368), (840, 37962), (855, 37296), (888, 35910), (912, 34965), (945, 33744), (999, 31920), (1008, 31635), (1026, 31080), (1036, 30780), (1064, 29970), (1080, 29526), (1110, 28728), (1134, 28120), (1140, 27972), (1197, 26640), (1260, 25308), (1295, 24624), (1296, 24605), (1330, 23976), (1332, 23940), (1368, 23310), (1406, 22680), (1480, 21546), (1512, 21090), (1520, 20979), (1539, 20720), (1554, 20520), (1596, 19980), (1620, 19684), (1665, 19152), (1680, 18981), (1710, 18648), (1776, 17955), (1890, 16872), (1995, 15984), (1998, 15960), (2052, 15540), (2072, 15390), (2109, 15120), (2128, 14985), (2160, 14763), (2220, 14364), (2268, 14060), (2280, 13986), (2331, 13680), (2394, 13320), (2520, 12654), (2565, 12432), (2590, 12312), (2660, 11988), (2664, 11970), (2736, 11655), (2812, 11340), (2835, 11248), (2960, 10773), (2997, 10640), (3024, 10545), (3078, 10360), (3108, 10260), (3192, 9990), (3240, 9842), (3330, 9576), (3420, 9324), (3515, 9072), (3591, 8880), (3780, 8436), (3885, 8208), (3990, 7992), (3996, 7980), (4104, 7770), (4144, 7695), (4218, 7560), (4440, 7182), (4536, 7030), (4560, 6993), (4662, 6840), (4788, 6660), (4921, 6480), (4995, 6384), (5040, 6327), (5130, 6216), (5180, 6156), (5320, 5994), (5328, 5985), (5624, 5670)]