520018380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{6551}}^1$

素因数の和:6586

約数の個数: 180

約数和(自身を含む): 1897944048

約数和(自身を除く): 1377925668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 4410, 5292, 5670, 6551, 6615, 7938, 8820, 11340, 13102, 13230, 15876, 19653, 19845, 26204, 26460, 32755, 39306, 39690, 45857, 58959, 65510, 78612, 79380, 91714, 98265, 117918, 131020, 137571, 176877, 183428, 196530, 229285, 235836, 275142, 294795, 320999, 353754, 393060, 412713, 458570, 530631, 550284, 589590, 641998, 687855, 707508, 825426, 884385, 917140, 962997, 1061262, 1179180, 1238139, 1283996, 1375710, 1604995, 1650852, 1768770, 1925994, 2063565, 2122524, 2476278, 2653155, 2751420, 2888991, 3209990, 3537540, 3714417, 3851988, 4127130, 4814985, 4952556, 5306310, 5777982, 6190695, 6419980, 7428834, 8254260, 8666973, 9629970, 10612620, 11555964, 12381390, 14444955, 14857668, 17333946, 18572085, 19259940, 24762780, 26000919, 28889910, 34667892, 37144170, 43334865, 52001838, 57779820, 74288340, 86669730, 104003676, 130004595, 173339460, 260009190, 520018380]

約数ペア:

[(1, 520018380), (2, 260009190), (3, 173339460), (4, 130004595), (5, 104003676), (6, 86669730), (7, 74288340), (9, 57779820), (10, 52001838), (12, 43334865), (14, 37144170), (15, 34667892), (18, 28889910), (20, 26000919), (21, 24762780), (27, 19259940), (28, 18572085), (30, 17333946), (35, 14857668), (36, 14444955), (42, 12381390), (45, 11555964), (49, 10612620), (54, 9629970), (60, 8666973), (63, 8254260), (70, 7428834), (81, 6419980), (84, 6190695), (90, 5777982), (98, 5306310), (105, 4952556), (108, 4814985), (126, 4127130), (135, 3851988), (140, 3714417), (147, 3537540), (162, 3209990), (180, 2888991), (189, 2751420), (196, 2653155), (210, 2476278), (245, 2122524), (252, 2063565), (270, 1925994), (294, 1768770), (315, 1650852), (324, 1604995), (378, 1375710), (405, 1283996), (420, 1238139), (441, 1179180), (490, 1061262), (540, 962997), (567, 917140), (588, 884385), (630, 825426), (735, 707508), (756, 687855), (810, 641998), (882, 589590), (945, 550284), (980, 530631), (1134, 458570), (1260, 412713), (1323, 393060), (1470, 353754), (1620, 320999), (1764, 294795), (1890, 275142), (2205, 235836), (2268, 229285), (2646, 196530), (2835, 183428), (2940, 176877), (3780, 137571), (3969, 131020), (4410, 117918), (5292, 98265), (5670, 91714), (6551, 79380), (6615, 78612), (7938, 65510), (8820, 58959), (11340, 45857), (13102, 39690), (13230, 39306), (15876, 32755), (19653, 26460), (19845, 26204)]