72671360

素因数分解:

$2^7\times 5^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 174787200

約数和(自身を除く): 102115840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 271, 320, 419, 542, 640, 838, 1084, 1355, 1676, 2095, 2168, 2710, 3352, 4190, 4336, 5420, 6704, 8380, 8672, 10840, 13408, 16760, 17344, 21680, 26816, 33520, 34688, 43360, 53632, 67040, 86720, 113549, 134080, 173440, 227098, 268160, 454196, 567745, 908392, 1135490, 1816784, 2270980, 3633568, 4541960, 7267136, 9083920, 14534272, 18167840, 36335680, 72671360]

約数ペア:

[(1, 72671360), (2, 36335680), (4, 18167840), (5, 14534272), (8, 9083920), (10, 7267136), (16, 4541960), (20, 3633568), (32, 2270980), (40, 1816784), (64, 1135490), (80, 908392), (128, 567745), (160, 454196), (271, 268160), (320, 227098), (419, 173440), (542, 134080), (640, 113549), (838, 86720), (1084, 67040), (1355, 53632), (1676, 43360), (2095, 34688), (2168, 33520), (2710, 26816), (3352, 21680), (4190, 17344), (4336, 16760), (5420, 13408), (6704, 10840), (8380, 8672)]