531215640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1489}}^1$

素因数の和:2497

約数の個数: 96

約数和(自身を含む): 1729353600

約数和(自身を除く): 1198137960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 991, 1489, 1982, 2973, 2978, 3964, 4467, 4955, 5946, 5956, 7445, 7928, 8919, 8934, 9910, 11892, 11912, 13401, 14865, 14890, 17838, 17868, 19820, 22335, 23784, 26802, 29730, 29780, 35676, 35736, 39640, 44595, 44670, 53604, 59460, 59560, 67005, 71352, 89190, 89340, 107208, 118920, 134010, 178380, 178680, 268020, 356760, 536040, 1475599, 2951198, 4426797, 5902396, 7377995, 8853594, 11804792, 13280391, 14755990, 17707188, 22133985, 26560782, 29511980, 35414376, 44267970, 53121564, 59023960, 66401955, 88535940, 106243128, 132803910, 177071880, 265607820, 531215640]

約数ペア:

[(1, 531215640), (2, 265607820), (3, 177071880), (4, 132803910), (5, 106243128), (6, 88535940), (8, 66401955), (9, 59023960), (10, 53121564), (12, 44267970), (15, 35414376), (18, 29511980), (20, 26560782), (24, 22133985), (30, 17707188), (36, 14755990), (40, 13280391), (45, 11804792), (60, 8853594), (72, 7377995), (90, 5902396), (120, 4426797), (180, 2951198), (360, 1475599), (991, 536040), (1489, 356760), (1982, 268020), (2973, 178680), (2978, 178380), (3964, 134010), (4467, 118920), (4955, 107208), (5946, 89340), (5956, 89190), (7445, 71352), (7928, 67005), (8919, 59560), (8934, 59460), (9910, 53604), (11892, 44670), (11912, 44595), (13401, 39640), (14865, 35736), (14890, 35676), (17838, 29780), (17868, 29730), (19820, 26802), (22335, 23784)]