4781920

素因数分解:

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

素因数の和:69

約数の個数: 144

約数和(自身を含む): 14076720

約数和(自身を除く): 9294800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 32, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 121, 130, 143, 152, 160, 176, 190, 208, 209, 220, 242, 247, 260, 286, 304, 352, 380, 416, 418, 440, 484, 494, 520, 572, 605, 608, 715, 760, 836, 880, 968, 988, 1040, 1045, 1144, 1210, 1235, 1430, 1520, 1573, 1672, 1760, 1936, 1976, 2080, 2090, 2288, 2299, 2420, 2470, 2717, 2860, 3040, 3146, 3344, 3872, 3952, 4180, 4576, 4598, 4840, 4940, 5434, 5720, 6292, 6688, 7865, 7904, 8360, 9196, 9680, 9880, 10868, 11440, 11495, 12584, 13585, 15730, 16720, 18392, 19360, 19760, 21736, 22880, 22990, 25168, 27170, 29887, 31460, 33440, 36784, 39520, 43472, 45980, 50336, 54340, 59774, 62920, 73568, 86944, 91960, 108680, 119548, 125840, 149435, 183920, 217360, 239096, 251680, 298870, 367840, 434720, 478192, 597740, 956384, 1195480, 2390960, 4781920]

約数ペア:

[(1, 4781920), (2, 2390960), (4, 1195480), (5, 956384), (8, 597740), (10, 478192), (11, 434720), (13, 367840), (16, 298870), (19, 251680), (20, 239096), (22, 217360), (26, 183920), (32, 149435), (38, 125840), (40, 119548), (44, 108680), (52, 91960), (55, 86944), (65, 73568), (76, 62920), (80, 59774), (88, 54340), (95, 50336), (104, 45980), (110, 43472), (121, 39520), (130, 36784), (143, 33440), (152, 31460), (160, 29887), (176, 27170), (190, 25168), (208, 22990), (209, 22880), (220, 21736), (242, 19760), (247, 19360), (260, 18392), (286, 16720), (304, 15730), (352, 13585), (380, 12584), (416, 11495), (418, 11440), (440, 10868), (484, 9880), (494, 9680), (520, 9196), (572, 8360), (605, 7904), (608, 7865), (715, 6688), (760, 6292), (836, 5720), (880, 5434), (968, 4940), (988, 4840), (1040, 4598), (1045, 4576), (1144, 4180), (1210, 3952), (1235, 3872), (1430, 3344), (1520, 3146), (1573, 3040), (1672, 2860), (1760, 2717), (1936, 2470), (1976, 2420), (2080, 2299), (2090, 2288)]