72438280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 169827840

約数和(自身を除く): 97389560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 727, 940, 1060, 1454, 1880, 2120, 2491, 2908, 3635, 4982, 5816, 7270, 9964, 12455, 14540, 19928, 24910, 29080, 34169, 38531, 49820, 68338, 77062, 99640, 136676, 154124, 170845, 192655, 273352, 308248, 341690, 385310, 683380, 770620, 1366760, 1541240, 1810957, 3621914, 7243828, 9054785, 14487656, 18109570, 36219140, 72438280]

約数ペア:

[(1, 72438280), (2, 36219140), (4, 18109570), (5, 14487656), (8, 9054785), (10, 7243828), (20, 3621914), (40, 1810957), (47, 1541240), (53, 1366760), (94, 770620), (106, 683380), (188, 385310), (212, 341690), (235, 308248), (265, 273352), (376, 192655), (424, 170845), (470, 154124), (530, 136676), (727, 99640), (940, 77062), (1060, 68338), (1454, 49820), (1880, 38531), (2120, 34169), (2491, 29080), (2908, 24910), (3635, 19928), (4982, 14540), (5816, 12455), (7270, 9964)]