255581820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 840228480

約数和(自身を除く): 584646660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 239, 260, 390, 457, 468, 478, 585, 717, 780, 914, 956, 1170, 1195, 1371, 1434, 1828, 2151, 2285, 2340, 2390, 2742, 2868, 3107, 3585, 4113, 4302, 4570, 4780, 5484, 5941, 6214, 6855, 7170, 8226, 8604, 9140, 9321, 10755, 11882, 12428, 13710, 14340, 15535, 16452, 17823, 18642, 20565, 21510, 23764, 27420, 27963, 29705, 31070, 35646, 37284, 41130, 43020, 46605, 53469, 55926, 59410, 62140, 71292, 82260, 89115, 93210, 106938, 109223, 111852, 118820, 139815, 178230, 186420, 213876, 218446, 267345, 279630, 327669, 356460, 436892, 534690, 546115, 559260, 655338, 983007, 1069380, 1092230, 1310676, 1419899, 1638345, 1966014, 2184460, 2839798, 3276690, 3932028, 4259697, 4915035, 5679596, 6553380, 7099495, 8519394, 9830070, 12779091, 14198990, 17038788, 19660140, 21298485, 25558182, 28397980, 42596970, 51116364, 63895455, 85193940, 127790910, 255581820]

約数ペア:

[(1, 255581820), (2, 127790910), (3, 85193940), (4, 63895455), (5, 51116364), (6, 42596970), (9, 28397980), (10, 25558182), (12, 21298485), (13, 19660140), (15, 17038788), (18, 14198990), (20, 12779091), (26, 9830070), (30, 8519394), (36, 7099495), (39, 6553380), (45, 5679596), (52, 4915035), (60, 4259697), (65, 3932028), (78, 3276690), (90, 2839798), (117, 2184460), (130, 1966014), (156, 1638345), (180, 1419899), (195, 1310676), (234, 1092230), (239, 1069380), (260, 983007), (390, 655338), (457, 559260), (468, 546115), (478, 534690), (585, 436892), (717, 356460), (780, 327669), (914, 279630), (956, 267345), (1170, 218446), (1195, 213876), (1371, 186420), (1434, 178230), (1828, 139815), (2151, 118820), (2285, 111852), (2340, 109223), (2390, 106938), (2742, 93210), (2868, 89115), (3107, 82260), (3585, 71292), (4113, 62140), (4302, 59410), (4570, 55926), (4780, 53469), (5484, 46605), (5941, 43020), (6214, 41130), (6855, 37284), (7170, 35646), (8226, 31070), (8604, 29705), (9140, 27963), (9321, 27420), (10755, 23764), (11882, 21510), (12428, 20565), (13710, 18642), (14340, 17823), (15535, 16452)]