80356920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 277309440

約数和(自身を除く): 196952520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 271, 280, 353, 420, 542, 706, 813, 840, 1059, 1084, 1355, 1412, 1626, 1765, 1897, 2118, 2168, 2471, 2710, 2824, 3252, 3530, 3794, 4065, 4236, 4942, 5295, 5420, 5691, 6504, 7060, 7413, 7588, 8130, 8472, 9485, 9884, 10590, 10840, 11382, 12355, 14120, 14826, 15176, 16260, 18970, 19768, 21180, 22764, 24710, 28455, 29652, 32520, 37065, 37940, 42360, 45528, 49420, 56910, 59304, 74130, 75880, 95663, 98840, 113820, 148260, 191326, 227640, 286989, 296520, 382652, 478315, 573978, 669641, 765304, 956630, 1147956, 1339282, 1434945, 1913260, 2008923, 2295912, 2678564, 2869890, 3348205, 3826520, 4017846, 5357128, 5739780, 6696410, 8035692, 10044615, 11479560, 13392820, 16071384, 20089230, 26785640, 40178460, 80356920]

約数ペア:

[(1, 80356920), (2, 40178460), (3, 26785640), (4, 20089230), (5, 16071384), (6, 13392820), (7, 11479560), (8, 10044615), (10, 8035692), (12, 6696410), (14, 5739780), (15, 5357128), (20, 4017846), (21, 3826520), (24, 3348205), (28, 2869890), (30, 2678564), (35, 2295912), (40, 2008923), (42, 1913260), (56, 1434945), (60, 1339282), (70, 1147956), (84, 956630), (105, 765304), (120, 669641), (140, 573978), (168, 478315), (210, 382652), (271, 296520), (280, 286989), (353, 227640), (420, 191326), (542, 148260), (706, 113820), (813, 98840), (840, 95663), (1059, 75880), (1084, 74130), (1355, 59304), (1412, 56910), (1626, 49420), (1765, 45528), (1897, 42360), (2118, 37940), (2168, 37065), (2471, 32520), (2710, 29652), (2824, 28455), (3252, 24710), (3530, 22764), (3794, 21180), (4065, 19768), (4236, 18970), (4942, 16260), (5295, 15176), (5420, 14826), (5691, 14120), (6504, 12355), (7060, 11382), (7413, 10840), (7588, 10590), (8130, 9884), (8472, 9485)]