639683640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2358

約数の個数: 192

約数和(自身を含む): 2242749600

約数和(自身を除く): 1603065960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 57, 60, 72, 76, 82, 90, 95, 114, 120, 123, 152, 164, 171, 180, 190, 205, 228, 246, 285, 328, 342, 360, 369, 380, 410, 456, 492, 570, 615, 684, 738, 760, 779, 820, 855, 984, 1140, 1230, 1368, 1476, 1558, 1640, 1710, 1845, 2280, 2281, 2337, 2460, 2952, 3116, 3420, 3690, 3895, 4562, 4674, 4920, 6232, 6840, 6843, 7011, 7380, 7790, 9124, 9348, 11405, 11685, 13686, 14022, 14760, 15580, 18248, 18696, 20529, 22810, 23370, 27372, 28044, 31160, 34215, 35055, 41058, 43339, 45620, 46740, 54744, 56088, 68430, 70110, 82116, 86678, 91240, 93480, 93521, 102645, 130017, 136860, 140220, 164232, 173356, 187042, 205290, 216695, 260034, 273720, 280440, 280563, 346712, 374084, 390051, 410580, 433390, 467605, 520068, 561126, 650085, 748168, 780102, 821160, 841689, 866780, 935210, 1040136, 1122252, 1300170, 1402815, 1560204, 1683378, 1733560, 1776899, 1870420, 1950255, 2244504, 2600340, 2805630, 3120408, 3366756, 3553798, 3740840, 3900510, 4208445, 5200680, 5330697, 5611260, 6733512, 7107596, 7801020, 8416890, 8884495, 10661394, 11222520, 14215192, 15602040, 15992091, 16833780, 17768990, 21322788, 26653485, 31984182, 33667560, 35537980, 42645576, 53306970, 63968364, 71075960, 79960455, 106613940, 127936728, 159920910, 213227880, 319841820, 639683640]

約数ペア:

[(1, 639683640), (2, 319841820), (3, 213227880), (4, 159920910), (5, 127936728), (6, 106613940), (8, 79960455), (9, 71075960), (10, 63968364), (12, 53306970), (15, 42645576), (18, 35537980), (19, 33667560), (20, 31984182), (24, 26653485), (30, 21322788), (36, 17768990), (38, 16833780), (40, 15992091), (41, 15602040), (45, 14215192), (57, 11222520), (60, 10661394), (72, 8884495), (76, 8416890), (82, 7801020), (90, 7107596), (95, 6733512), (114, 5611260), (120, 5330697), (123, 5200680), (152, 4208445), (164, 3900510), (171, 3740840), (180, 3553798), (190, 3366756), (205, 3120408), (228, 2805630), (246, 2600340), (285, 2244504), (328, 1950255), (342, 1870420), (360, 1776899), (369, 1733560), (380, 1683378), (410, 1560204), (456, 1402815), (492, 1300170), (570, 1122252), (615, 1040136), (684, 935210), (738, 866780), (760, 841689), (779, 821160), (820, 780102), (855, 748168), (984, 650085), (1140, 561126), (1230, 520068), (1368, 467605), (1476, 433390), (1558, 410580), (1640, 390051), (1710, 374084), (1845, 346712), (2280, 280563), (2281, 280440), (2337, 273720), (2460, 260034), (2952, 216695), (3116, 205290), (3420, 187042), (3690, 173356), (3895, 164232), (4562, 140220), (4674, 136860), (4920, 130017), (6232, 102645), (6840, 93521), (6843, 93480), (7011, 91240), (7380, 86678), (7790, 82116), (9124, 70110), (9348, 68430), (11405, 56088), (11685, 54744), (13686, 46740), (14022, 45620), (14760, 43339), (15580, 41058), (18248, 35055), (18696, 34215), (20529, 31160), (22810, 28044), (23370, 27372)]