64577760

素因数分解:

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

素因数の和:241

約数の個数: 192

約数和(自身を含む): 223534080

約数和(自身を除く): 158956320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 79, 80, 96, 104, 120, 130, 131, 156, 158, 160, 195, 208, 237, 240, 260, 262, 312, 316, 390, 393, 395, 416, 474, 480, 520, 524, 624, 632, 655, 780, 786, 790, 948, 1027, 1040, 1048, 1185, 1248, 1264, 1310, 1560, 1572, 1580, 1703, 1896, 1965, 2054, 2080, 2096, 2370, 2528, 2620, 3081, 3120, 3144, 3160, 3406, 3792, 3930, 4108, 4192, 4740, 5109, 5135, 5240, 6162, 6240, 6288, 6320, 6812, 7584, 7860, 8216, 8515, 9480, 10218, 10270, 10349, 10480, 12324, 12576, 12640, 13624, 15405, 15720, 16432, 17030, 18960, 20436, 20540, 20698, 20960, 24648, 25545, 27248, 30810, 31047, 31440, 32864, 34060, 37920, 40872, 41080, 41396, 49296, 51090, 51745, 54496, 61620, 62094, 62880, 68120, 81744, 82160, 82792, 98592, 102180, 103490, 123240, 124188, 134537, 136240, 155235, 163488, 164320, 165584, 204360, 206980, 246480, 248376, 269074, 272480, 310470, 331168, 403611, 408720, 413960, 492960, 496752, 538148, 620940, 672685, 807222, 817440, 827920, 993504, 1076296, 1241880, 1345370, 1614444, 1655840, 2018055, 2152592, 2483760, 2690740, 3228888, 4036110, 4305184, 4967520, 5381480, 6457776, 8072220, 10762960, 12915552, 16144440, 21525920, 32288880, 64577760]

約数ペア:

[(1, 64577760), (2, 32288880), (3, 21525920), (4, 16144440), (5, 12915552), (6, 10762960), (8, 8072220), (10, 6457776), (12, 5381480), (13, 4967520), (15, 4305184), (16, 4036110), (20, 3228888), (24, 2690740), (26, 2483760), (30, 2152592), (32, 2018055), (39, 1655840), (40, 1614444), (48, 1345370), (52, 1241880), (60, 1076296), (65, 993504), (78, 827920), (79, 817440), (80, 807222), (96, 672685), (104, 620940), (120, 538148), (130, 496752), (131, 492960), (156, 413960), (158, 408720), (160, 403611), (195, 331168), (208, 310470), (237, 272480), (240, 269074), (260, 248376), (262, 246480), (312, 206980), (316, 204360), (390, 165584), (393, 164320), (395, 163488), (416, 155235), (474, 136240), (480, 134537), (520, 124188), (524, 123240), (624, 103490), (632, 102180), (655, 98592), (780, 82792), (786, 82160), (790, 81744), (948, 68120), (1027, 62880), (1040, 62094), (1048, 61620), (1185, 54496), (1248, 51745), (1264, 51090), (1310, 49296), (1560, 41396), (1572, 41080), (1580, 40872), (1703, 37920), (1896, 34060), (1965, 32864), (2054, 31440), (2080, 31047), (2096, 30810), (2370, 27248), (2528, 25545), (2620, 24648), (3081, 20960), (3120, 20698), (3144, 20540), (3160, 20436), (3406, 18960), (3792, 17030), (3930, 16432), (4108, 15720), (4192, 15405), (4740, 13624), (5109, 12640), (5135, 12576), (5240, 12324), (6162, 10480), (6240, 10349), (6288, 10270), (6320, 10218), (6812, 9480), (7584, 8515), (7860, 8216)]