1968815680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2243}}^1$

素因数の和:2484

約数の個数: 112

約数和(自身を含む): 5075066304

約数和(自身を除く): 3106250624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 211, 260, 320, 416, 422, 520, 832, 844, 1040, 1055, 1688, 2080, 2110, 2243, 2743, 3376, 4160, 4220, 4486, 5486, 6752, 8440, 8972, 10972, 11215, 13504, 13715, 16880, 17944, 21944, 22430, 27430, 29159, 33760, 35888, 43888, 44860, 54860, 58318, 67520, 71776, 87776, 89720, 109720, 116636, 143552, 145795, 175552, 179440, 219440, 233272, 291590, 358880, 438880, 466544, 473273, 583180, 717760, 877760, 933088, 946546, 1166360, 1866176, 1893092, 2332720, 2366365, 3786184, 4665440, 4732730, 6152549, 7572368, 9330880, 9465460, 12305098, 15144736, 18930920, 24610196, 30289472, 30762745, 37861840, 49220392, 61525490, 75723680, 98440784, 123050980, 151447360, 196881568, 246101960, 393763136, 492203920, 984407840, 1968815680]

約数ペア:

[(1, 1968815680), (2, 984407840), (4, 492203920), (5, 393763136), (8, 246101960), (10, 196881568), (13, 151447360), (16, 123050980), (20, 98440784), (26, 75723680), (32, 61525490), (40, 49220392), (52, 37861840), (64, 30762745), (65, 30289472), (80, 24610196), (104, 18930920), (130, 15144736), (160, 12305098), (208, 9465460), (211, 9330880), (260, 7572368), (320, 6152549), (416, 4732730), (422, 4665440), (520, 3786184), (832, 2366365), (844, 2332720), (1040, 1893092), (1055, 1866176), (1688, 1166360), (2080, 946546), (2110, 933088), (2243, 877760), (2743, 717760), (3376, 583180), (4160, 473273), (4220, 466544), (4486, 438880), (5486, 358880), (6752, 291590), (8440, 233272), (8972, 219440), (10972, 179440), (11215, 175552), (13504, 145795), (13715, 143552), (16880, 116636), (17944, 109720), (21944, 89720), (22430, 87776), (27430, 71776), (29159, 67520), (33760, 58318), (35888, 54860), (43888, 44860)]