328335920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 849601872

約数和(自身を除く): 521265952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 121, 176, 214, 220, 242, 317, 428, 440, 484, 535, 605, 634, 856, 880, 968, 1070, 1177, 1210, 1268, 1585, 1712, 1936, 2140, 2354, 2420, 2536, 3170, 3487, 4280, 4708, 4840, 5072, 5885, 6340, 6974, 8560, 9416, 9680, 11770, 12680, 12947, 13948, 17435, 18832, 23540, 25360, 25894, 27896, 33919, 34870, 38357, 47080, 51788, 55792, 64735, 67838, 69740, 76714, 94160, 103576, 129470, 135676, 139480, 153428, 169595, 191785, 207152, 258940, 271352, 278960, 306856, 339190, 373109, 383570, 517880, 542704, 613712, 678380, 746218, 767140, 1035760, 1356760, 1492436, 1534280, 1865545, 2713520, 2984872, 3068560, 3731090, 4104199, 5969744, 7462180, 8208398, 14924360, 16416796, 20520995, 29848720, 32833592, 41041990, 65667184, 82083980, 164167960, 328335920]

約数ペア:

[(1, 328335920), (2, 164167960), (4, 82083980), (5, 65667184), (8, 41041990), (10, 32833592), (11, 29848720), (16, 20520995), (20, 16416796), (22, 14924360), (40, 8208398), (44, 7462180), (55, 5969744), (80, 4104199), (88, 3731090), (107, 3068560), (110, 2984872), (121, 2713520), (176, 1865545), (214, 1534280), (220, 1492436), (242, 1356760), (317, 1035760), (428, 767140), (440, 746218), (484, 678380), (535, 613712), (605, 542704), (634, 517880), (856, 383570), (880, 373109), (968, 339190), (1070, 306856), (1177, 278960), (1210, 271352), (1268, 258940), (1585, 207152), (1712, 191785), (1936, 169595), (2140, 153428), (2354, 139480), (2420, 135676), (2536, 129470), (3170, 103576), (3487, 94160), (4280, 76714), (4708, 69740), (4840, 67838), (5072, 64735), (5885, 55792), (6340, 51788), (6974, 47080), (8560, 38357), (9416, 34870), (9680, 33919), (11770, 27896), (12680, 25894), (12947, 25360), (13948, 23540), (17435, 18832)]