505148520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:719

約数の個数: 128

約数和(自身を含む): 1561190400

約数和(自身を除く): 1056041880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 223, 258, 344, 430, 439, 446, 516, 645, 669, 860, 878, 892, 1032, 1115, 1290, 1317, 1338, 1720, 1756, 1784, 2195, 2230, 2580, 2634, 2676, 3345, 3512, 4390, 4460, 5160, 5268, 5352, 6585, 6690, 8780, 8920, 9589, 10536, 13170, 13380, 17560, 18877, 19178, 26340, 26760, 28767, 37754, 38356, 47945, 52680, 56631, 57534, 75508, 76712, 94385, 95890, 97897, 113262, 115068, 143835, 151016, 188770, 191780, 195794, 226524, 230136, 283155, 287670, 293691, 377540, 383560, 391588, 453048, 489485, 566310, 575340, 587382, 755080, 783176, 978970, 1132620, 1150680, 1174764, 1468455, 1957940, 2265240, 2349528, 2936910, 3915880, 4209571, 5873820, 8419142, 11747640, 12628713, 16838284, 21047855, 25257426, 33676568, 42095710, 50514852, 63143565, 84191420, 101029704, 126287130, 168382840, 252574260, 505148520]

約数ペア:

[(1, 505148520), (2, 252574260), (3, 168382840), (4, 126287130), (5, 101029704), (6, 84191420), (8, 63143565), (10, 50514852), (12, 42095710), (15, 33676568), (20, 25257426), (24, 21047855), (30, 16838284), (40, 12628713), (43, 11747640), (60, 8419142), (86, 5873820), (120, 4209571), (129, 3915880), (172, 2936910), (215, 2349528), (223, 2265240), (258, 1957940), (344, 1468455), (430, 1174764), (439, 1150680), (446, 1132620), (516, 978970), (645, 783176), (669, 755080), (860, 587382), (878, 575340), (892, 566310), (1032, 489485), (1115, 453048), (1290, 391588), (1317, 383560), (1338, 377540), (1720, 293691), (1756, 287670), (1784, 283155), (2195, 230136), (2230, 226524), (2580, 195794), (2634, 191780), (2676, 188770), (3345, 151016), (3512, 143835), (4390, 115068), (4460, 113262), (5160, 97897), (5268, 95890), (5352, 94385), (6585, 76712), (6690, 75508), (8780, 57534), (8920, 56631), (9589, 52680), (10536, 47945), (13170, 38356), (13380, 37754), (17560, 28767), (18877, 26760), (19178, 26340)]