661313250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1042

約数の個数: 192

約数和(自身を含む): 2011516416

約数和(自身を除く): 1350203166

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 25, 26, 30, 39, 45, 46, 50, 65, 69, 75, 78, 90, 115, 117, 125, 130, 138, 150, 195, 207, 225, 230, 234, 250, 299, 325, 345, 375, 390, 414, 450, 575, 585, 598, 650, 690, 750, 897, 975, 983, 1035, 1125, 1150, 1170, 1495, 1625, 1725, 1794, 1950, 1966, 2070, 2250, 2691, 2875, 2925, 2949, 2990, 3250, 3450, 4485, 4875, 4915, 5175, 5382, 5750, 5850, 5898, 7475, 8625, 8847, 8970, 9750, 9830, 10350, 12779, 13455, 14625, 14745, 14950, 17250, 17694, 22425, 22609, 24575, 25558, 25875, 26910, 29250, 29490, 37375, 38337, 44235, 44850, 45218, 49150, 51750, 63895, 67275, 67827, 73725, 74750, 76674, 88470, 112125, 113045, 115011, 122875, 127790, 134550, 135654, 147450, 191685, 203481, 221175, 224250, 226090, 230022, 245750, 293917, 319475, 336375, 339135, 368625, 383370, 406962, 442350, 565225, 575055, 587834, 638950, 672750, 678270, 737250, 881751, 958425, 1017405, 1105875, 1130450, 1150110, 1469585, 1597375, 1695675, 1763502, 1916850, 2034810, 2211750, 2645253, 2826125, 2875275, 2939170, 3194750, 3391350, 4408755, 4792125, 5087025, 5290506, 5652250, 5750550, 7347925, 8478375, 8817510, 9584250, 10174050, 13226265, 14376375, 14695850, 16956750, 22043775, 25435125, 26452530, 28752750, 36739625, 44087550, 50870250, 66131325, 73479250, 110218875, 132262650, 220437750, 330656625, 661313250]

約数ペア:

[(1, 661313250), (2, 330656625), (3, 220437750), (5, 132262650), (6, 110218875), (9, 73479250), (10, 66131325), (13, 50870250), (15, 44087550), (18, 36739625), (23, 28752750), (25, 26452530), (26, 25435125), (30, 22043775), (39, 16956750), (45, 14695850), (46, 14376375), (50, 13226265), (65, 10174050), (69, 9584250), (75, 8817510), (78, 8478375), (90, 7347925), (115, 5750550), (117, 5652250), (125, 5290506), (130, 5087025), (138, 4792125), (150, 4408755), (195, 3391350), (207, 3194750), (225, 2939170), (230, 2875275), (234, 2826125), (250, 2645253), (299, 2211750), (325, 2034810), (345, 1916850), (375, 1763502), (390, 1695675), (414, 1597375), (450, 1469585), (575, 1150110), (585, 1130450), (598, 1105875), (650, 1017405), (690, 958425), (750, 881751), (897, 737250), (975, 678270), (983, 672750), (1035, 638950), (1125, 587834), (1150, 575055), (1170, 565225), (1495, 442350), (1625, 406962), (1725, 383370), (1794, 368625), (1950, 339135), (1966, 336375), (2070, 319475), (2250, 293917), (2691, 245750), (2875, 230022), (2925, 226090), (2949, 224250), (2990, 221175), (3250, 203481), (3450, 191685), (4485, 147450), (4875, 135654), (4915, 134550), (5175, 127790), (5382, 122875), (5750, 115011), (5850, 113045), (5898, 112125), (7475, 88470), (8625, 76674), (8847, 74750), (8970, 73725), (9750, 67827), (9830, 67275), (10350, 63895), (12779, 51750), (13455, 49150), (14625, 45218), (14745, 44850), (14950, 44235), (17250, 38337), (17694, 37375), (22425, 29490), (22609, 29250), (24575, 26910), (25558, 25875)]