19740240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 320

約数和(自身を含む): 79161600

約数和(自身を除く): 59421360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 37, 38, 39, 40, 45, 48, 52, 54, 57, 60, 65, 72, 74, 76, 78, 80, 90, 95, 104, 108, 111, 114, 117, 120, 130, 135, 144, 148, 152, 156, 171, 180, 185, 190, 195, 208, 216, 222, 228, 234, 240, 247, 260, 270, 285, 296, 304, 312, 333, 342, 351, 360, 370, 380, 390, 432, 444, 456, 468, 481, 494, 513, 520, 540, 555, 570, 585, 592, 624, 666, 684, 702, 703, 720, 740, 741, 760, 780, 855, 888, 912, 936, 962, 988, 999, 1026, 1040, 1080, 1110, 1140, 1170, 1235, 1332, 1368, 1404, 1406, 1443, 1480, 1482, 1520, 1560, 1665, 1710, 1755, 1776, 1872, 1924, 1976, 1998, 2052, 2109, 2160, 2220, 2223, 2280, 2340, 2405, 2470, 2565, 2664, 2736, 2808, 2812, 2886, 2960, 2964, 3120, 3330, 3420, 3510, 3515, 3705, 3848, 3952, 3996, 4104, 4218, 4329, 4440, 4446, 4560, 4680, 4810, 4940, 4995, 5130, 5328, 5616, 5624, 5772, 5928, 6327, 6660, 6669, 6840, 7020, 7030, 7215, 7410, 7696, 7992, 8208, 8436, 8658, 8880, 8892, 9139, 9360, 9620, 9880, 9990, 10260, 10545, 11115, 11248, 11544, 11856, 12654, 12987, 13320, 13338, 13680, 14040, 14060, 14430, 14820, 15984, 16872, 17316, 17784, 18278, 18981, 19240, 19760, 19980, 20520, 21090, 21645, 22230, 23088, 25308, 25974, 26640, 26676, 27417, 28080, 28120, 28860, 29640, 31635, 33345, 33744, 34632, 35568, 36556, 37962, 38480, 39960, 41040, 42180, 43290, 44460, 45695, 50616, 51948, 53352, 54834, 56240, 57720, 59280, 63270, 64935, 66690, 69264, 73112, 75924, 79920, 82251, 84360, 86580, 88920, 91390, 94905, 101232, 103896, 106704, 109668, 115440, 126540, 129870, 133380, 137085, 146224, 151848, 164502, 168720, 173160, 177840, 182780, 189810, 207792, 219336, 246753, 253080, 259740, 266760, 274170, 303696, 329004, 346320, 365560, 379620, 411255, 438672, 493506, 506160, 519480, 533520, 548340, 658008, 731120, 759240, 822510, 987012, 1038960, 1096680, 1233765, 1316016, 1518480, 1645020, 1974024, 2193360, 2467530, 3290040, 3948048, 4935060, 6580080, 9870120, 19740240]

約数ペア:

[(1, 19740240), (2, 9870120), (3, 6580080), (4, 4935060), (5, 3948048), (6, 3290040), (8, 2467530), (9, 2193360), (10, 1974024), (12, 1645020), (13, 1518480), (15, 1316016), (16, 1233765), (18, 1096680), (19, 1038960), (20, 987012), (24, 822510), (26, 759240), (27, 731120), (30, 658008), (36, 548340), (37, 533520), (38, 519480), (39, 506160), (40, 493506), (45, 438672), (48, 411255), (52, 379620), (54, 365560), (57, 346320), (60, 329004), (65, 303696), (72, 274170), (74, 266760), (76, 259740), (78, 253080), (80, 246753), (90, 219336), (95, 207792), (104, 189810), (108, 182780), (111, 177840), (114, 173160), (117, 168720), (120, 164502), (130, 151848), (135, 146224), (144, 137085), (148, 133380), (152, 129870), (156, 126540), (171, 115440), (180, 109668), (185, 106704), (190, 103896), (195, 101232), (208, 94905), (216, 91390), (222, 88920), (228, 86580), (234, 84360), (240, 82251), (247, 79920), (260, 75924), (270, 73112), (285, 69264), (296, 66690), (304, 64935), (312, 63270), (333, 59280), (342, 57720), (351, 56240), (360, 54834), (370, 53352), (380, 51948), (390, 50616), (432, 45695), (444, 44460), (456, 43290), (468, 42180), (481, 41040), (494, 39960), (513, 38480), (520, 37962), (540, 36556), (555, 35568), (570, 34632), (585, 33744), (592, 33345), (624, 31635), (666, 29640), (684, 28860), (702, 28120), (703, 28080), (720, 27417), (740, 26676), (741, 26640), (760, 25974), (780, 25308), (855, 23088), (888, 22230), (912, 21645), (936, 21090), (962, 20520), (988, 19980), (999, 19760), (1026, 19240), (1040, 18981), (1080, 18278), (1110, 17784), (1140, 17316), (1170, 16872), (1235, 15984), (1332, 14820), (1368, 14430), (1404, 14060), (1406, 14040), (1443, 13680), (1480, 13338), (1482, 13320), (1520, 12987), (1560, 12654), (1665, 11856), (1710, 11544), (1755, 11248), (1776, 11115), (1872, 10545), (1924, 10260), (1976, 9990), (1998, 9880), (2052, 9620), (2109, 9360), (2160, 9139), (2220, 8892), (2223, 8880), (2280, 8658), (2340, 8436), (2405, 8208), (2470, 7992), (2565, 7696), (2664, 7410), (2736, 7215), (2808, 7030), (2812, 7020), (2886, 6840), (2960, 6669), (2964, 6660), (3120, 6327), (3330, 5928), (3420, 5772), (3510, 5624), (3515, 5616), (3705, 5328), (3848, 5130), (3952, 4995), (3996, 4940), (4104, 4810), (4218, 4680), (4329, 4560), (4440, 4446)]