1721000880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{50857}}^1$

素因数の和:50923

約数の個数: 120

約数和(自身を含む): 5902782912

約数和(自身を除く): 4181782032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 705, 720, 752, 846, 940, 1128, 1410, 1692, 1880, 2115, 2256, 2820, 3384, 3760, 4230, 5640, 6768, 8460, 11280, 16920, 33840, 50857, 101714, 152571, 203428, 254285, 305142, 406856, 457713, 508570, 610284, 762855, 813712, 915426, 1017140, 1220568, 1525710, 1830852, 2034280, 2288565, 2390279, 2441136, 3051420, 3661704, 4068560, 4577130, 4780558, 6102840, 7170837, 7323408, 9154260, 9561116, 11951395, 12205680, 14341674, 18308520, 19122232, 21512511, 23902790, 28683348, 35854185, 36617040, 38244464, 43025022, 47805580, 57366696, 71708370, 86050044, 95611160, 107562555, 114733392, 143416740, 172100088, 191222320, 215125110, 286833480, 344200176, 430250220, 573666960, 860500440, 1721000880]

約数ペア:

[(1, 1721000880), (2, 860500440), (3, 573666960), (4, 430250220), (5, 344200176), (6, 286833480), (8, 215125110), (9, 191222320), (10, 172100088), (12, 143416740), (15, 114733392), (16, 107562555), (18, 95611160), (20, 86050044), (24, 71708370), (30, 57366696), (36, 47805580), (40, 43025022), (45, 38244464), (47, 36617040), (48, 35854185), (60, 28683348), (72, 23902790), (80, 21512511), (90, 19122232), (94, 18308520), (120, 14341674), (141, 12205680), (144, 11951395), (180, 9561116), (188, 9154260), (235, 7323408), (240, 7170837), (282, 6102840), (360, 4780558), (376, 4577130), (423, 4068560), (470, 3661704), (564, 3051420), (705, 2441136), (720, 2390279), (752, 2288565), (846, 2034280), (940, 1830852), (1128, 1525710), (1410, 1220568), (1692, 1017140), (1880, 915426), (2115, 813712), (2256, 762855), (2820, 610284), (3384, 508570), (3760, 457713), (4230, 406856), (5640, 305142), (6768, 254285), (8460, 203428), (11280, 152571), (16920, 101714), (33840, 50857)]