79331980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{479}}^1$

素因数の和:528

約数の個数: 108

約数和(自身を含む): 210288960

約数和(自身を除く): 130956980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 364, 455, 479, 490, 637, 676, 845, 910, 958, 980, 1183, 1274, 1690, 1820, 1916, 2366, 2395, 2548, 3185, 3353, 3380, 4732, 4790, 5915, 6227, 6370, 6706, 8281, 9580, 11830, 12454, 12740, 13412, 16562, 16765, 23471, 23660, 24908, 31135, 33124, 33530, 41405, 43589, 46942, 62270, 67060, 80951, 82810, 87178, 93884, 117355, 124540, 161902, 165620, 174356, 217945, 234710, 305123, 323804, 404755, 435890, 469420, 566657, 610246, 809510, 871780, 1133314, 1220492, 1525615, 1619020, 2266628, 2833285, 3051230, 3966599, 5666570, 6102460, 7933198, 11333140, 15866396, 19832995, 39665990, 79331980]

約数ペア:

[(1, 79331980), (2, 39665990), (4, 19832995), (5, 15866396), (7, 11333140), (10, 7933198), (13, 6102460), (14, 5666570), (20, 3966599), (26, 3051230), (28, 2833285), (35, 2266628), (49, 1619020), (52, 1525615), (65, 1220492), (70, 1133314), (91, 871780), (98, 809510), (130, 610246), (140, 566657), (169, 469420), (182, 435890), (196, 404755), (245, 323804), (260, 305123), (338, 234710), (364, 217945), (455, 174356), (479, 165620), (490, 161902), (637, 124540), (676, 117355), (845, 93884), (910, 87178), (958, 82810), (980, 80951), (1183, 67060), (1274, 62270), (1690, 46942), (1820, 43589), (1916, 41405), (2366, 33530), (2395, 33124), (2548, 31135), (3185, 24908), (3353, 23660), (3380, 23471), (4732, 16765), (4790, 16562), (5915, 13412), (6227, 12740), (6370, 12454), (6706, 11830), (8281, 9580)]