1640125320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{10177}}^1$

素因数の和:10287

約数の個数: 128

約数和(自身を含む): 5276275200

約数和(自身を除く): 3636149880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 79, 85, 102, 120, 136, 158, 170, 204, 237, 255, 316, 340, 395, 408, 474, 510, 632, 680, 790, 948, 1020, 1185, 1343, 1580, 1896, 2040, 2370, 2686, 3160, 4029, 4740, 5372, 6715, 8058, 9480, 10177, 10744, 13430, 16116, 20145, 20354, 26860, 30531, 32232, 40290, 40708, 50885, 53720, 61062, 80580, 81416, 101770, 122124, 152655, 161160, 173009, 203540, 244248, 305310, 346018, 407080, 519027, 610620, 692036, 803983, 865045, 1038054, 1221240, 1384072, 1607966, 1730090, 2076108, 2411949, 2595135, 3215932, 3460180, 4019915, 4152216, 4823898, 5190270, 6431864, 6920360, 8039830, 9647796, 10380540, 12059745, 13667711, 16079660, 19295592, 20761080, 24119490, 27335422, 32159320, 41003133, 48238980, 54670844, 68338555, 82006266, 96477960, 109341688, 136677110, 164012532, 205015665, 273354220, 328025064, 410031330, 546708440, 820062660, 1640125320]

約数ペア:

[(1, 1640125320), (2, 820062660), (3, 546708440), (4, 410031330), (5, 328025064), (6, 273354220), (8, 205015665), (10, 164012532), (12, 136677110), (15, 109341688), (17, 96477960), (20, 82006266), (24, 68338555), (30, 54670844), (34, 48238980), (40, 41003133), (51, 32159320), (60, 27335422), (68, 24119490), (79, 20761080), (85, 19295592), (102, 16079660), (120, 13667711), (136, 12059745), (158, 10380540), (170, 9647796), (204, 8039830), (237, 6920360), (255, 6431864), (316, 5190270), (340, 4823898), (395, 4152216), (408, 4019915), (474, 3460180), (510, 3215932), (632, 2595135), (680, 2411949), (790, 2076108), (948, 1730090), (1020, 1607966), (1185, 1384072), (1343, 1221240), (1580, 1038054), (1896, 865045), (2040, 803983), (2370, 692036), (2686, 610620), (3160, 519027), (4029, 407080), (4740, 346018), (5372, 305310), (6715, 244248), (8058, 203540), (9480, 173009), (10177, 161160), (10744, 152655), (13430, 122124), (16116, 101770), (20145, 81416), (20354, 80580), (26860, 61062), (30531, 53720), (32232, 50885), (40290, 40708)]