15481840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 39970656

約数和(自身を除く): 24488816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 241, 292, 365, 440, 482, 584, 730, 803, 880, 964, 1168, 1205, 1460, 1606, 1928, 2410, 2651, 2920, 3212, 3856, 4015, 4820, 5302, 5840, 6424, 8030, 9640, 10604, 12848, 13255, 16060, 17593, 19280, 21208, 26510, 32120, 35186, 42416, 53020, 64240, 70372, 87965, 106040, 140744, 175930, 193523, 212080, 281488, 351860, 387046, 703720, 774092, 967615, 1407440, 1548184, 1935230, 3096368, 3870460, 7740920, 15481840]

約数ペア:

[(1, 15481840), (2, 7740920), (4, 3870460), (5, 3096368), (8, 1935230), (10, 1548184), (11, 1407440), (16, 967615), (20, 774092), (22, 703720), (40, 387046), (44, 351860), (55, 281488), (73, 212080), (80, 193523), (88, 175930), (110, 140744), (146, 106040), (176, 87965), (220, 70372), (241, 64240), (292, 53020), (365, 42416), (440, 35186), (482, 32120), (584, 26510), (730, 21208), (803, 19280), (880, 17593), (964, 16060), (1168, 13255), (1205, 12848), (1460, 10604), (1606, 9640), (1928, 8030), (2410, 6424), (2651, 5840), (2920, 5302), (3212, 4820), (3856, 4015)]