181547080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1919

約数の個数: 128

約数和(自身を含む): 508394880

約数和(自身を除く): 326847800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 286, 340, 374, 440, 442, 520, 572, 680, 715, 748, 884, 935, 1105, 1144, 1430, 1496, 1768, 1867, 1870, 2210, 2431, 2860, 3734, 3740, 4420, 4862, 5720, 7468, 7480, 8840, 9335, 9724, 12155, 14936, 18670, 19448, 20537, 24271, 24310, 31739, 37340, 41074, 48542, 48620, 63478, 74680, 82148, 97084, 97240, 102685, 121355, 126956, 158695, 164296, 194168, 205370, 242710, 253912, 266981, 317390, 349129, 410740, 412607, 485420, 533962, 634780, 698258, 821480, 825214, 970840, 1067924, 1269560, 1334905, 1396516, 1650428, 1745645, 2063035, 2135848, 2669810, 2793032, 3300856, 3491290, 4126070, 4538677, 5339620, 6982580, 8252140, 9077354, 10679240, 13965160, 16504280, 18154708, 22693385, 36309416, 45386770, 90773540, 181547080]

約数ペア:

[(1, 181547080), (2, 90773540), (4, 45386770), (5, 36309416), (8, 22693385), (10, 18154708), (11, 16504280), (13, 13965160), (17, 10679240), (20, 9077354), (22, 8252140), (26, 6982580), (34, 5339620), (40, 4538677), (44, 4126070), (52, 3491290), (55, 3300856), (65, 2793032), (68, 2669810), (85, 2135848), (88, 2063035), (104, 1745645), (110, 1650428), (130, 1396516), (136, 1334905), (143, 1269560), (170, 1067924), (187, 970840), (220, 825214), (221, 821480), (260, 698258), (286, 634780), (340, 533962), (374, 485420), (440, 412607), (442, 410740), (520, 349129), (572, 317390), (680, 266981), (715, 253912), (748, 242710), (884, 205370), (935, 194168), (1105, 164296), (1144, 158695), (1430, 126956), (1496, 121355), (1768, 102685), (1867, 97240), (1870, 97084), (2210, 82148), (2431, 74680), (2860, 63478), (3734, 48620), (3740, 48542), (4420, 41074), (4862, 37340), (5720, 31739), (7468, 24310), (7480, 24271), (8840, 20537), (9335, 19448), (9724, 18670), (12155, 14936)]