1275880000

素因数分解:

$2^6\times 5^4\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 140

約数和(自身を含む): 3199375872

約数和(自身を除く): 1923495872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 167, 191, 200, 250, 320, 334, 382, 400, 500, 625, 668, 764, 800, 835, 955, 1000, 1250, 1336, 1528, 1600, 1670, 1910, 2000, 2500, 2672, 3056, 3340, 3820, 4000, 4175, 4775, 5000, 5344, 6112, 6680, 7640, 8000, 8350, 9550, 10000, 10688, 12224, 13360, 15280, 16700, 19100, 20000, 20875, 23875, 26720, 30560, 31897, 33400, 38200, 40000, 41750, 47750, 53440, 61120, 63794, 66800, 76400, 83500, 95500, 104375, 119375, 127588, 133600, 152800, 159485, 167000, 191000, 208750, 238750, 255176, 267200, 305600, 318970, 334000, 382000, 417500, 477500, 510352, 637940, 668000, 764000, 797425, 835000, 955000, 1020704, 1275880, 1336000, 1528000, 1594850, 1670000, 1910000, 2041408, 2551760, 3189700, 3340000, 3820000, 3987125, 5103520, 6379400, 6680000, 7640000, 7974250, 10207040, 12758800, 15948500, 19935625, 25517600, 31897000, 39871250, 51035200, 63794000, 79742500, 127588000, 159485000, 255176000, 318970000, 637940000, 1275880000]

約数ペア:

[(1, 1275880000), (2, 637940000), (4, 318970000), (5, 255176000), (8, 159485000), (10, 127588000), (16, 79742500), (20, 63794000), (25, 51035200), (32, 39871250), (40, 31897000), (50, 25517600), (64, 19935625), (80, 15948500), (100, 12758800), (125, 10207040), (160, 7974250), (167, 7640000), (191, 6680000), (200, 6379400), (250, 5103520), (320, 3987125), (334, 3820000), (382, 3340000), (400, 3189700), (500, 2551760), (625, 2041408), (668, 1910000), (764, 1670000), (800, 1594850), (835, 1528000), (955, 1336000), (1000, 1275880), (1250, 1020704), (1336, 955000), (1528, 835000), (1600, 797425), (1670, 764000), (1910, 668000), (2000, 637940), (2500, 510352), (2672, 477500), (3056, 417500), (3340, 382000), (3820, 334000), (4000, 318970), (4175, 305600), (4775, 267200), (5000, 255176), (5344, 238750), (6112, 208750), (6680, 191000), (7640, 167000), (8000, 159485), (8350, 152800), (9550, 133600), (10000, 127588), (10688, 119375), (12224, 104375), (13360, 95500), (15280, 83500), (16700, 76400), (19100, 66800), (20000, 63794), (20875, 61120), (23875, 53440), (26720, 47750), (30560, 41750), (31897, 40000), (33400, 38200)]