2390960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 120

約数和(自身を含む): 6926640

約数和(自身を除く): 4535680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 121, 130, 143, 152, 176, 190, 208, 209, 220, 242, 247, 260, 286, 304, 380, 418, 440, 484, 494, 520, 572, 605, 715, 760, 836, 880, 968, 988, 1040, 1045, 1144, 1210, 1235, 1430, 1520, 1573, 1672, 1936, 1976, 2090, 2288, 2299, 2420, 2470, 2717, 2860, 3146, 3344, 3952, 4180, 4598, 4840, 4940, 5434, 5720, 6292, 7865, 8360, 9196, 9680, 9880, 10868, 11440, 11495, 12584, 13585, 15730, 16720, 18392, 19760, 21736, 22990, 25168, 27170, 29887, 31460, 36784, 43472, 45980, 54340, 59774, 62920, 91960, 108680, 119548, 125840, 149435, 183920, 217360, 239096, 298870, 478192, 597740, 1195480, 2390960]

約数ペア:

[(1, 2390960), (2, 1195480), (4, 597740), (5, 478192), (8, 298870), (10, 239096), (11, 217360), (13, 183920), (16, 149435), (19, 125840), (20, 119548), (22, 108680), (26, 91960), (38, 62920), (40, 59774), (44, 54340), (52, 45980), (55, 43472), (65, 36784), (76, 31460), (80, 29887), (88, 27170), (95, 25168), (104, 22990), (110, 21736), (121, 19760), (130, 18392), (143, 16720), (152, 15730), (176, 13585), (190, 12584), (208, 11495), (209, 11440), (220, 10868), (242, 9880), (247, 9680), (260, 9196), (286, 8360), (304, 7865), (380, 6292), (418, 5720), (440, 5434), (484, 4940), (494, 4840), (520, 4598), (572, 4180), (605, 3952), (715, 3344), (760, 3146), (836, 2860), (880, 2717), (968, 2470), (988, 2420), (1040, 2299), (1045, 2288), (1144, 2090), (1210, 1976), (1235, 1936), (1430, 1672), (1520, 1573)]