630969040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19571}}^1$

素因数の和:19628

約数の個数: 80

約数和(自身を含む): 1630895616

約数和(自身を除く): 999926576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 19571, 32240, 39142, 78284, 97855, 156568, 195710, 254423, 313136, 391420, 508846, 606701, 782840, 1017692, 1213402, 1272115, 1565680, 2035384, 2426804, 2544230, 3033505, 4070768, 4853608, 5088460, 6067010, 7887113, 9707216, 10176920, 12134020, 15774226, 20353840, 24268040, 31548452, 39435565, 48536080, 63096904, 78871130, 126193808, 157742260, 315484520, 630969040]

約数ペア:

[(1, 630969040), (2, 315484520), (4, 157742260), (5, 126193808), (8, 78871130), (10, 63096904), (13, 48536080), (16, 39435565), (20, 31548452), (26, 24268040), (31, 20353840), (40, 15774226), (52, 12134020), (62, 10176920), (65, 9707216), (80, 7887113), (104, 6067010), (124, 5088460), (130, 4853608), (155, 4070768), (208, 3033505), (248, 2544230), (260, 2426804), (310, 2035384), (403, 1565680), (496, 1272115), (520, 1213402), (620, 1017692), (806, 782840), (1040, 606701), (1240, 508846), (1612, 391420), (2015, 313136), (2480, 254423), (3224, 195710), (4030, 156568), (6448, 97855), (8060, 78284), (16120, 39142), (19571, 32240)]