1213502680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{80471}}^1$

素因数の和:80524

約数の個数: 64

約数和(自身を含む): 3041841600

約数和(自身を除く): 1828338920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 15080, 80471, 160942, 321884, 402355, 643768, 804710, 1046123, 1609420, 2092246, 2333659, 3218840, 4184492, 4667318, 5230615, 8368984, 9334636, 10461230, 11668295, 18669272, 20922460, 23336590, 30337567, 41844920, 46673180, 60675134, 93346360, 121350268, 151687835, 242700536, 303375670, 606751340, 1213502680]

約数ペア:

[(1, 1213502680), (2, 606751340), (4, 303375670), (5, 242700536), (8, 151687835), (10, 121350268), (13, 93346360), (20, 60675134), (26, 46673180), (29, 41844920), (40, 30337567), (52, 23336590), (58, 20922460), (65, 18669272), (104, 11668295), (116, 10461230), (130, 9334636), (145, 8368984), (232, 5230615), (260, 4667318), (290, 4184492), (377, 3218840), (520, 2333659), (580, 2092246), (754, 1609420), (1160, 1046123), (1508, 804710), (1885, 643768), (3016, 402355), (3770, 321884), (7540, 160942), (15080, 80471)]