64856340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 207567360

約数和(自身を除く): 142711020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 59, 60, 62, 90, 93, 118, 124, 155, 177, 180, 186, 197, 236, 279, 295, 310, 354, 372, 394, 465, 531, 558, 590, 591, 620, 708, 788, 885, 930, 985, 1062, 1116, 1180, 1182, 1395, 1770, 1773, 1829, 1860, 1970, 2124, 2364, 2655, 2790, 2955, 3540, 3546, 3658, 3940, 5310, 5487, 5580, 5910, 6107, 7092, 7316, 8865, 9145, 10620, 10974, 11623, 11820, 12214, 16461, 17730, 18290, 18321, 21948, 23246, 24428, 27435, 30535, 32922, 34869, 35460, 36580, 36642, 46492, 54870, 54963, 58115, 61070, 65844, 69738, 73284, 82305, 91605, 104607, 109740, 109926, 116230, 122140, 139476, 164610, 174345, 183210, 209214, 219852, 232460, 274815, 329220, 348690, 360313, 366420, 418428, 523035, 549630, 697380, 720626, 1046070, 1080939, 1099260, 1441252, 1801565, 2092140, 2161878, 3242817, 3603130, 4323756, 5404695, 6485634, 7206260, 10809390, 12971268, 16214085, 21618780, 32428170, 64856340]

約数ペア:

[(1, 64856340), (2, 32428170), (3, 21618780), (4, 16214085), (5, 12971268), (6, 10809390), (9, 7206260), (10, 6485634), (12, 5404695), (15, 4323756), (18, 3603130), (20, 3242817), (30, 2161878), (31, 2092140), (36, 1801565), (45, 1441252), (59, 1099260), (60, 1080939), (62, 1046070), (90, 720626), (93, 697380), (118, 549630), (124, 523035), (155, 418428), (177, 366420), (180, 360313), (186, 348690), (197, 329220), (236, 274815), (279, 232460), (295, 219852), (310, 209214), (354, 183210), (372, 174345), (394, 164610), (465, 139476), (531, 122140), (558, 116230), (590, 109926), (591, 109740), (620, 104607), (708, 91605), (788, 82305), (885, 73284), (930, 69738), (985, 65844), (1062, 61070), (1116, 58115), (1180, 54963), (1182, 54870), (1395, 46492), (1770, 36642), (1773, 36580), (1829, 35460), (1860, 34869), (1970, 32922), (2124, 30535), (2364, 27435), (2655, 24428), (2790, 23246), (2955, 21948), (3540, 18321), (3546, 18290), (3658, 17730), (3940, 16461), (5310, 12214), (5487, 11820), (5580, 11623), (5910, 10974), (6107, 10620), (7092, 9145), (7316, 8865)]