31457160

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 320

約数和(自身を含む): 128937600

約数和(自身を除く): 97480440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 73, 76, 81, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 146, 152, 162, 168, 171, 180, 189, 190, 210, 216, 219, 228, 252, 266, 270, 280, 285, 292, 315, 324, 342, 360, 365, 378, 380, 399, 405, 420, 438, 456, 504, 511, 513, 532, 540, 567, 570, 584, 630, 648, 657, 665, 684, 730, 756, 760, 798, 810, 840, 855, 876, 945, 1022, 1026, 1064, 1080, 1095, 1134, 1140, 1197, 1260, 1314, 1330, 1368, 1387, 1460, 1512, 1533, 1539, 1596, 1620, 1710, 1752, 1890, 1971, 1995, 2044, 2052, 2190, 2268, 2280, 2394, 2520, 2555, 2565, 2628, 2660, 2774, 2835, 2920, 3066, 3078, 3192, 3240, 3285, 3420, 3591, 3780, 3942, 3990, 4088, 4104, 4161, 4380, 4536, 4599, 4788, 5110, 5130, 5256, 5320, 5548, 5670, 5913, 5985, 6132, 6156, 6570, 6840, 6935, 7182, 7560, 7665, 7695, 7884, 7980, 8322, 8760, 9198, 9576, 9709, 9855, 10220, 10260, 10773, 11096, 11340, 11826, 11970, 12264, 12312, 12483, 13140, 13797, 13870, 14364, 15330, 15390, 15768, 15960, 16644, 17955, 18396, 19418, 19710, 20440, 20520, 20805, 21546, 22680, 22995, 23652, 23940, 24966, 26280, 27594, 27740, 28728, 29127, 29565, 30660, 30780, 33288, 35910, 36792, 37449, 38836, 39420, 41391, 41610, 43092, 45990, 47304, 47880, 48545, 49932, 53865, 55188, 55480, 58254, 59130, 61320, 61560, 62415, 68985, 71820, 74898, 77672, 78840, 82782, 83220, 86184, 87381, 91980, 97090, 99864, 107730, 110376, 112347, 116508, 118260, 124830, 137970, 143640, 145635, 149796, 165564, 166440, 174762, 183960, 187245, 194180, 206955, 215460, 224694, 233016, 236520, 249660, 262143, 275940, 291270, 299592, 331128, 349524, 374490, 388360, 413910, 430920, 436905, 449388, 499320, 524286, 551880, 561735, 582540, 699048, 748980, 786429, 827820, 873810, 898776, 1048572, 1123470, 1165080, 1310715, 1497960, 1572858, 1655640, 1747620, 2097144, 2246940, 2621430, 3145716, 3495240, 3932145, 4493880, 5242860, 6291432, 7864290, 10485720, 15728580, 31457160]

約数ペア:

[(1, 31457160), (2, 15728580), (3, 10485720), (4, 7864290), (5, 6291432), (6, 5242860), (7, 4493880), (8, 3932145), (9, 3495240), (10, 3145716), (12, 2621430), (14, 2246940), (15, 2097144), (18, 1747620), (19, 1655640), (20, 1572858), (21, 1497960), (24, 1310715), (27, 1165080), (28, 1123470), (30, 1048572), (35, 898776), (36, 873810), (38, 827820), (40, 786429), (42, 748980), (45, 699048), (54, 582540), (56, 561735), (57, 551880), (60, 524286), (63, 499320), (70, 449388), (72, 436905), (73, 430920), (76, 413910), (81, 388360), (84, 374490), (90, 349524), (95, 331128), (105, 299592), (108, 291270), (114, 275940), (120, 262143), (126, 249660), (133, 236520), (135, 233016), (140, 224694), (146, 215460), (152, 206955), (162, 194180), (168, 187245), (171, 183960), (180, 174762), (189, 166440), (190, 165564), (210, 149796), (216, 145635), (219, 143640), (228, 137970), (252, 124830), (266, 118260), (270, 116508), (280, 112347), (285, 110376), (292, 107730), (315, 99864), (324, 97090), (342, 91980), (360, 87381), (365, 86184), (378, 83220), (380, 82782), (399, 78840), (405, 77672), (420, 74898), (438, 71820), (456, 68985), (504, 62415), (511, 61560), (513, 61320), (532, 59130), (540, 58254), (567, 55480), (570, 55188), (584, 53865), (630, 49932), (648, 48545), (657, 47880), (665, 47304), (684, 45990), (730, 43092), (756, 41610), (760, 41391), (798, 39420), (810, 38836), (840, 37449), (855, 36792), (876, 35910), (945, 33288), (1022, 30780), (1026, 30660), (1064, 29565), (1080, 29127), (1095, 28728), (1134, 27740), (1140, 27594), (1197, 26280), (1260, 24966), (1314, 23940), (1330, 23652), (1368, 22995), (1387, 22680), (1460, 21546), (1512, 20805), (1533, 20520), (1539, 20440), (1596, 19710), (1620, 19418), (1710, 18396), (1752, 17955), (1890, 16644), (1971, 15960), (1995, 15768), (2044, 15390), (2052, 15330), (2190, 14364), (2268, 13870), (2280, 13797), (2394, 13140), (2520, 12483), (2555, 12312), (2565, 12264), (2628, 11970), (2660, 11826), (2774, 11340), (2835, 11096), (2920, 10773), (3066, 10260), (3078, 10220), (3192, 9855), (3240, 9709), (3285, 9576), (3420, 9198), (3591, 8760), (3780, 8322), (3942, 7980), (3990, 7884), (4088, 7695), (4104, 7665), (4161, 7560), (4380, 7182), (4536, 6935), (4599, 6840), (4788, 6570), (5110, 6156), (5130, 6132), (5256, 5985), (5320, 5913), (5548, 5670)]