81424910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 174735360

約数和(自身を除く): 93310450

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 157, 217, 239, 310, 314, 434, 478, 785, 1085, 1099, 1195, 1570, 1673, 2170, 2198, 2390, 3346, 4867, 5495, 7409, 8365, 9734, 10990, 14818, 16730, 24335, 34069, 37045, 37523, 48670, 51863, 68138, 74090, 75046, 103726, 170345, 187615, 259315, 262661, 340690, 375230, 518630, 525322, 1163213, 1313305, 2326426, 2626610, 5816065, 8142491, 11632130, 16284982, 40712455, 81424910]

約数ペア:

[(1, 81424910), (2, 40712455), (5, 16284982), (7, 11632130), (10, 8142491), (14, 5816065), (31, 2626610), (35, 2326426), (62, 1313305), (70, 1163213), (155, 525322), (157, 518630), (217, 375230), (239, 340690), (310, 262661), (314, 259315), (434, 187615), (478, 170345), (785, 103726), (1085, 75046), (1099, 74090), (1195, 68138), (1570, 51863), (1673, 48670), (2170, 37523), (2198, 37045), (2390, 34069), (3346, 24335), (4867, 16730), (5495, 14818), (7409, 10990), (8365, 9734)]