72649980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 248371200

約数和(自身を除く): 175721220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 79, 90, 108, 117, 130, 131, 135, 156, 158, 180, 195, 234, 237, 260, 262, 270, 316, 351, 390, 393, 395, 468, 474, 524, 540, 585, 655, 702, 711, 780, 786, 790, 948, 1027, 1170, 1179, 1185, 1310, 1404, 1422, 1572, 1580, 1703, 1755, 1965, 2054, 2133, 2340, 2358, 2370, 2620, 2844, 3081, 3406, 3510, 3537, 3555, 3930, 4108, 4266, 4716, 4740, 5109, 5135, 5895, 6162, 6812, 7020, 7074, 7110, 7860, 8515, 8532, 9243, 10218, 10270, 10349, 10665, 11790, 12324, 14148, 14220, 15327, 15405, 17030, 17685, 18486, 20436, 20540, 20698, 21330, 23580, 25545, 27729, 30654, 30810, 31047, 34060, 35370, 36972, 41396, 42660, 45981, 46215, 51090, 51745, 55458, 61308, 61620, 62094, 70740, 76635, 91962, 92430, 93141, 102180, 103490, 110916, 124188, 134537, 138645, 153270, 155235, 183924, 184860, 186282, 206980, 229905, 269074, 277290, 279423, 306540, 310470, 372564, 403611, 459810, 465705, 538148, 554580, 558846, 620940, 672685, 807222, 919620, 931410, 1117692, 1210833, 1345370, 1397115, 1614444, 1862820, 2018055, 2421666, 2690740, 2794230, 3632499, 4036110, 4843332, 5588460, 6054165, 7264998, 8072220, 12108330, 14529996, 18162495, 24216660, 36324990, 72649980]

約数ペア:

[(1, 72649980), (2, 36324990), (3, 24216660), (4, 18162495), (5, 14529996), (6, 12108330), (9, 8072220), (10, 7264998), (12, 6054165), (13, 5588460), (15, 4843332), (18, 4036110), (20, 3632499), (26, 2794230), (27, 2690740), (30, 2421666), (36, 2018055), (39, 1862820), (45, 1614444), (52, 1397115), (54, 1345370), (60, 1210833), (65, 1117692), (78, 931410), (79, 919620), (90, 807222), (108, 672685), (117, 620940), (130, 558846), (131, 554580), (135, 538148), (156, 465705), (158, 459810), (180, 403611), (195, 372564), (234, 310470), (237, 306540), (260, 279423), (262, 277290), (270, 269074), (316, 229905), (351, 206980), (390, 186282), (393, 184860), (395, 183924), (468, 155235), (474, 153270), (524, 138645), (540, 134537), (585, 124188), (655, 110916), (702, 103490), (711, 102180), (780, 93141), (786, 92430), (790, 91962), (948, 76635), (1027, 70740), (1170, 62094), (1179, 61620), (1185, 61308), (1310, 55458), (1404, 51745), (1422, 51090), (1572, 46215), (1580, 45981), (1703, 42660), (1755, 41396), (1965, 36972), (2054, 35370), (2133, 34060), (2340, 31047), (2358, 30810), (2370, 30654), (2620, 27729), (2844, 25545), (3081, 23580), (3406, 21330), (3510, 20698), (3537, 20540), (3555, 20436), (3930, 18486), (4108, 17685), (4266, 17030), (4716, 15405), (4740, 15327), (5109, 14220), (5135, 14148), (5895, 12324), (6162, 11790), (6812, 10665), (7020, 10349), (7074, 10270), (7110, 10218), (7860, 9243), (8515, 8532)]