1618541600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8243

約数の個数: 144

約数和(自身を含む): 4479713280

約数和(自身を除く): 2861171680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 200, 208, 247, 260, 304, 325, 380, 400, 416, 475, 494, 520, 608, 650, 760, 800, 950, 988, 1040, 1235, 1300, 1520, 1900, 1976, 2080, 2470, 2600, 3040, 3800, 3952, 4940, 5200, 6175, 7600, 7904, 8191, 9880, 10400, 12350, 15200, 16382, 19760, 24700, 32764, 39520, 40955, 49400, 65528, 81910, 98800, 106483, 131056, 155629, 163820, 197600, 204775, 212966, 262112, 311258, 327640, 409550, 425932, 532415, 622516, 655280, 778145, 819100, 851864, 1064830, 1245032, 1310560, 1556290, 1638200, 1703728, 2023177, 2129660, 2490064, 2662075, 3112580, 3276400, 3407456, 3890725, 4046354, 4259320, 4980128, 5324150, 6225160, 6552800, 7781450, 8092708, 8518640, 10115885, 10648300, 12450320, 15562900, 16185416, 17037280, 20231770, 21296600, 24900640, 31125800, 32370832, 40463540, 42593200, 50579425, 62251600, 64741664, 80927080, 85186400, 101158850, 124503200, 161854160, 202317700, 323708320, 404635400, 809270800, 1618541600]

約数ペア:

[(1, 1618541600), (2, 809270800), (4, 404635400), (5, 323708320), (8, 202317700), (10, 161854160), (13, 124503200), (16, 101158850), (19, 85186400), (20, 80927080), (25, 64741664), (26, 62251600), (32, 50579425), (38, 42593200), (40, 40463540), (50, 32370832), (52, 31125800), (65, 24900640), (76, 21296600), (80, 20231770), (95, 17037280), (100, 16185416), (104, 15562900), (130, 12450320), (152, 10648300), (160, 10115885), (190, 8518640), (200, 8092708), (208, 7781450), (247, 6552800), (260, 6225160), (304, 5324150), (325, 4980128), (380, 4259320), (400, 4046354), (416, 3890725), (475, 3407456), (494, 3276400), (520, 3112580), (608, 2662075), (650, 2490064), (760, 2129660), (800, 2023177), (950, 1703728), (988, 1638200), (1040, 1556290), (1235, 1310560), (1300, 1245032), (1520, 1064830), (1900, 851864), (1976, 819100), (2080, 778145), (2470, 655280), (2600, 622516), (3040, 532415), (3800, 425932), (3952, 409550), (4940, 327640), (5200, 311258), (6175, 262112), (7600, 212966), (7904, 204775), (8191, 197600), (9880, 163820), (10400, 155629), (12350, 131056), (15200, 106483), (16382, 98800), (19760, 81910), (24700, 65528), (32764, 49400), (39520, 40955)]