72680920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 116016680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 59, 65, 92, 103, 104, 115, 118, 130, 184, 206, 230, 236, 260, 295, 299, 412, 460, 472, 515, 520, 590, 598, 767, 824, 920, 1030, 1180, 1196, 1339, 1357, 1495, 1534, 2060, 2360, 2369, 2392, 2678, 2714, 2990, 3068, 3835, 4120, 4738, 5356, 5428, 5980, 6077, 6136, 6695, 6785, 7670, 9476, 10712, 10856, 11845, 11960, 12154, 13390, 13570, 15340, 17641, 18952, 23690, 24308, 26780, 27140, 30385, 30680, 30797, 35282, 47380, 48616, 53560, 54280, 60770, 61594, 70564, 79001, 88205, 94760, 121540, 123188, 139771, 141128, 153985, 158002, 176410, 243080, 246376, 279542, 307970, 316004, 352820, 395005, 559084, 615940, 632008, 698855, 705640, 790010, 1118168, 1231880, 1397710, 1580020, 1817023, 2795420, 3160040, 3634046, 5590840, 7268092, 9085115, 14536184, 18170230, 36340460, 72680920]

約数ペア:

[(1, 72680920), (2, 36340460), (4, 18170230), (5, 14536184), (8, 9085115), (10, 7268092), (13, 5590840), (20, 3634046), (23, 3160040), (26, 2795420), (40, 1817023), (46, 1580020), (52, 1397710), (59, 1231880), (65, 1118168), (92, 790010), (103, 705640), (104, 698855), (115, 632008), (118, 615940), (130, 559084), (184, 395005), (206, 352820), (230, 316004), (236, 307970), (260, 279542), (295, 246376), (299, 243080), (412, 176410), (460, 158002), (472, 153985), (515, 141128), (520, 139771), (590, 123188), (598, 121540), (767, 94760), (824, 88205), (920, 79001), (1030, 70564), (1180, 61594), (1196, 60770), (1339, 54280), (1357, 53560), (1495, 48616), (1534, 47380), (2060, 35282), (2360, 30797), (2369, 30680), (2392, 30385), (2678, 27140), (2714, 26780), (2990, 24308), (3068, 23690), (3835, 18952), (4120, 17641), (4738, 15340), (5356, 13570), (5428, 13390), (5980, 12154), (6077, 11960), (6136, 11845), (6695, 10856), (6785, 10712), (7670, 9476)]