64242540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 208615680

約数和(自身を除く): 144373140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 397, 435, 465, 522, 558, 580, 620, 794, 870, 899, 930, 1044, 1116, 1191, 1305, 1395, 1588, 1740, 1798, 1860, 1985, 2382, 2610, 2697, 2790, 3573, 3596, 3970, 4495, 4764, 5220, 5394, 5580, 5955, 7146, 7940, 8091, 8990, 10788, 11513, 11910, 12307, 13485, 14292, 16182, 17865, 17980, 23026, 23820, 24614, 26970, 32364, 34539, 35730, 36921, 40455, 46052, 49228, 53940, 57565, 61535, 69078, 71460, 73842, 80910, 103617, 110763, 115130, 123070, 138156, 147684, 161820, 172695, 184605, 207234, 221526, 230260, 246140, 345390, 356903, 369210, 414468, 443052, 518085, 553815, 690780, 713806, 738420, 1036170, 1070709, 1107630, 1427612, 1784515, 2072340, 2141418, 2215260, 3212127, 3569030, 4282836, 5353545, 6424254, 7138060, 10707090, 12848508, 16060635, 21414180, 32121270, 64242540]

約数ペア:

[(1, 64242540), (2, 32121270), (3, 21414180), (4, 16060635), (5, 12848508), (6, 10707090), (9, 7138060), (10, 6424254), (12, 5353545), (15, 4282836), (18, 3569030), (20, 3212127), (29, 2215260), (30, 2141418), (31, 2072340), (36, 1784515), (45, 1427612), (58, 1107630), (60, 1070709), (62, 1036170), (87, 738420), (90, 713806), (93, 690780), (116, 553815), (124, 518085), (145, 443052), (155, 414468), (174, 369210), (180, 356903), (186, 345390), (261, 246140), (279, 230260), (290, 221526), (310, 207234), (348, 184605), (372, 172695), (397, 161820), (435, 147684), (465, 138156), (522, 123070), (558, 115130), (580, 110763), (620, 103617), (794, 80910), (870, 73842), (899, 71460), (930, 69078), (1044, 61535), (1116, 57565), (1191, 53940), (1305, 49228), (1395, 46052), (1588, 40455), (1740, 36921), (1798, 35730), (1860, 34539), (1985, 32364), (2382, 26970), (2610, 24614), (2697, 23820), (2790, 23026), (3573, 17980), (3596, 17865), (3970, 16182), (4495, 14292), (4764, 13485), (5220, 12307), (5394, 11910), (5580, 11513), (5955, 10788), (7146, 8990), (7940, 8091)]