2016646875

素因数分解:

$3^4\times 5^5\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 3902000256

約数和(自身を除く): 1885353381

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 125, 135, 155, 225, 257, 279, 375, 405, 465, 625, 675, 771, 775, 837, 1125, 1285, 1395, 1875, 2025, 2313, 2325, 2511, 3125, 3375, 3855, 3875, 4185, 5625, 6425, 6939, 6975, 7967, 9375, 10125, 11565, 11625, 12555, 16875, 19275, 19375, 20817, 20925, 23901, 28125, 32125, 34695, 34875, 39835, 50625, 57825, 58125, 62775, 71703, 84375, 96375, 96875, 104085, 104625, 119505, 160625, 173475, 174375, 199175, 215109, 253125, 289125, 290625, 313875, 358515, 481875, 520425, 523125, 597525, 645327, 803125, 867375, 871875, 995875, 1075545, 1445625, 1569375, 1792575, 2409375, 2602125, 2615625, 2987625, 3226635, 4336875, 4979375, 5377725, 7228125, 7846875, 8962875, 13010625, 14938125, 16133175, 21684375, 24896875, 26888625, 44814375, 65053125, 74690625, 80665875, 134443125, 224071875, 403329375, 672215625, 2016646875]

約数ペア:

[(1, 2016646875), (3, 672215625), (5, 403329375), (9, 224071875), (15, 134443125), (25, 80665875), (27, 74690625), (31, 65053125), (45, 44814375), (75, 26888625), (81, 24896875), (93, 21684375), (125, 16133175), (135, 14938125), (155, 13010625), (225, 8962875), (257, 7846875), (279, 7228125), (375, 5377725), (405, 4979375), (465, 4336875), (625, 3226635), (675, 2987625), (771, 2615625), (775, 2602125), (837, 2409375), (1125, 1792575), (1285, 1569375), (1395, 1445625), (1875, 1075545), (2025, 995875), (2313, 871875), (2325, 867375), (2511, 803125), (3125, 645327), (3375, 597525), (3855, 523125), (3875, 520425), (4185, 481875), (5625, 358515), (6425, 313875), (6939, 290625), (6975, 289125), (7967, 253125), (9375, 215109), (10125, 199175), (11565, 174375), (11625, 173475), (12555, 160625), (16875, 119505), (19275, 104625), (19375, 104085), (20817, 96875), (20925, 96375), (23901, 84375), (28125, 71703), (32125, 62775), (34695, 58125), (34875, 57825), (39835, 50625)]