281246520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17891}}^1$

素因数の和:18036

約数の個数: 64

約数和(自身を含む): 850227840

約数和(自身を除く): 568981320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 17891, 35782, 53673, 71564, 89455, 107346, 143128, 178910, 214692, 268365, 357820, 429384, 536730, 715640, 1073460, 2146920, 2343721, 4687442, 7031163, 9374884, 11718605, 14062326, 18749768, 23437210, 28124652, 35155815, 46874420, 56249304, 70311630, 93748840, 140623260, 281246520]

約数ペア:

[(1, 281246520), (2, 140623260), (3, 93748840), (4, 70311630), (5, 56249304), (6, 46874420), (8, 35155815), (10, 28124652), (12, 23437210), (15, 18749768), (20, 14062326), (24, 11718605), (30, 9374884), (40, 7031163), (60, 4687442), (120, 2343721), (131, 2146920), (262, 1073460), (393, 715640), (524, 536730), (655, 429384), (786, 357820), (1048, 268365), (1310, 214692), (1572, 178910), (1965, 143128), (2620, 107346), (3144, 89455), (3930, 71564), (5240, 53673), (7860, 35782), (15720, 17891)]