815172360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:831

約数の個数: 128

約数和(自身を含む): 2496614400

約数和(自身を除く): 1681442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 127, 178, 254, 267, 356, 381, 445, 508, 534, 601, 635, 712, 762, 890, 1016, 1068, 1202, 1270, 1335, 1524, 1780, 1803, 1905, 2136, 2404, 2540, 2670, 3005, 3048, 3560, 3606, 3810, 4808, 5080, 5340, 6010, 7212, 7620, 9015, 10680, 11303, 12020, 14424, 15240, 18030, 22606, 24040, 33909, 36060, 45212, 53489, 56515, 67818, 72120, 76327, 90424, 106978, 113030, 135636, 152654, 160467, 169545, 213956, 226060, 228981, 267445, 271272, 305308, 320934, 339090, 381635, 427912, 452120, 457962, 534890, 610616, 641868, 678180, 763270, 802335, 915924, 1069780, 1144905, 1283736, 1356360, 1526540, 1604670, 1831848, 2139560, 2289810, 3053080, 3209340, 4579620, 6418680, 6793103, 9159240, 13586206, 20379309, 27172412, 33965515, 40758618, 54344824, 67931030, 81517236, 101896545, 135862060, 163034472, 203793090, 271724120, 407586180, 815172360]

約数ペア:

[(1, 815172360), (2, 407586180), (3, 271724120), (4, 203793090), (5, 163034472), (6, 135862060), (8, 101896545), (10, 81517236), (12, 67931030), (15, 54344824), (20, 40758618), (24, 33965515), (30, 27172412), (40, 20379309), (60, 13586206), (89, 9159240), (120, 6793103), (127, 6418680), (178, 4579620), (254, 3209340), (267, 3053080), (356, 2289810), (381, 2139560), (445, 1831848), (508, 1604670), (534, 1526540), (601, 1356360), (635, 1283736), (712, 1144905), (762, 1069780), (890, 915924), (1016, 802335), (1068, 763270), (1202, 678180), (1270, 641868), (1335, 610616), (1524, 534890), (1780, 457962), (1803, 452120), (1905, 427912), (2136, 381635), (2404, 339090), (2540, 320934), (2670, 305308), (3005, 271272), (3048, 267445), (3560, 228981), (3606, 226060), (3810, 213956), (4808, 169545), (5080, 160467), (5340, 152654), (6010, 135636), (7212, 113030), (7620, 106978), (9015, 90424), (10680, 76327), (11303, 72120), (12020, 67818), (14424, 56515), (15240, 53489), (18030, 45212), (22606, 36060), (24040, 33909)]