811890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 2257920

約数和(自身を除く): 1446030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 97, 135, 155, 186, 194, 270, 279, 291, 310, 465, 485, 558, 582, 837, 873, 930, 970, 1395, 1455, 1674, 1746, 2619, 2790, 2910, 3007, 4185, 4365, 5238, 6014, 8370, 8730, 9021, 13095, 15035, 18042, 26190, 27063, 30070, 45105, 54126, 81189, 90210, 135315, 162378, 270630, 405945, 811890]

約数ペア:

[(1, 811890), (2, 405945), (3, 270630), (5, 162378), (6, 135315), (9, 90210), (10, 81189), (15, 54126), (18, 45105), (27, 30070), (30, 27063), (31, 26190), (45, 18042), (54, 15035), (62, 13095), (90, 9021), (93, 8730), (97, 8370), (135, 6014), (155, 5238), (186, 4365), (194, 4185), (270, 3007), (279, 2910), (291, 2790), (310, 2619), (465, 1746), (485, 1674), (558, 1455), (582, 1395), (837, 970), (873, 930)]