255591280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14723}}^1$

素因数の和:14774

約数の個数: 80

約数和(自身を含む): 701097984

約数和(自身を除く): 445506704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 14723, 17360, 29446, 58892, 73615, 103061, 117784, 147230, 206122, 235568, 294460, 412244, 456413, 515305, 588920, 824488, 912826, 1030610, 1177840, 1648976, 1825652, 2061220, 2282065, 3194891, 3651304, 4122440, 4564130, 6389782, 7302608, 8244880, 9128260, 12779564, 15974455, 18256520, 25559128, 31948910, 36513040, 51118256, 63897820, 127795640, 255591280]

約数ペア:

[(1, 255591280), (2, 127795640), (4, 63897820), (5, 51118256), (7, 36513040), (8, 31948910), (10, 25559128), (14, 18256520), (16, 15974455), (20, 12779564), (28, 9128260), (31, 8244880), (35, 7302608), (40, 6389782), (56, 4564130), (62, 4122440), (70, 3651304), (80, 3194891), (112, 2282065), (124, 2061220), (140, 1825652), (155, 1648976), (217, 1177840), (248, 1030610), (280, 912826), (310, 824488), (434, 588920), (496, 515305), (560, 456413), (620, 412244), (868, 294460), (1085, 235568), (1240, 206122), (1736, 147230), (2170, 117784), (2480, 103061), (3472, 73615), (4340, 58892), (8680, 29446), (14723, 17360)]