31322400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 144

約数和(自身を含む): 105493248

約数和(自身を除く): 74170848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 75, 80, 93, 96, 100, 120, 124, 150, 155, 160, 186, 200, 240, 248, 300, 310, 372, 400, 421, 465, 480, 496, 600, 620, 744, 775, 800, 842, 930, 992, 1200, 1240, 1263, 1488, 1550, 1684, 1860, 2105, 2325, 2400, 2480, 2526, 2976, 3100, 3368, 3720, 4210, 4650, 4960, 5052, 6200, 6315, 6736, 7440, 8420, 9300, 10104, 10525, 12400, 12630, 13051, 13472, 14880, 16840, 18600, 20208, 21050, 24800, 25260, 26102, 31575, 33680, 37200, 39153, 40416, 42100, 50520, 52204, 63150, 65255, 67360, 74400, 78306, 84200, 101040, 104408, 126300, 130510, 156612, 168400, 195765, 202080, 208816, 252600, 261020, 313224, 326275, 336800, 391530, 417632, 505200, 522040, 626448, 652550, 783060, 978825, 1010400, 1044080, 1252896, 1305100, 1566120, 1957650, 2088160, 2610200, 3132240, 3915300, 5220400, 6264480, 7830600, 10440800, 15661200, 31322400]

約数ペア:

[(1, 31322400), (2, 15661200), (3, 10440800), (4, 7830600), (5, 6264480), (6, 5220400), (8, 3915300), (10, 3132240), (12, 2610200), (15, 2088160), (16, 1957650), (20, 1566120), (24, 1305100), (25, 1252896), (30, 1044080), (31, 1010400), (32, 978825), (40, 783060), (48, 652550), (50, 626448), (60, 522040), (62, 505200), (75, 417632), (80, 391530), (93, 336800), (96, 326275), (100, 313224), (120, 261020), (124, 252600), (150, 208816), (155, 202080), (160, 195765), (186, 168400), (200, 156612), (240, 130510), (248, 126300), (300, 104408), (310, 101040), (372, 84200), (400, 78306), (421, 74400), (465, 67360), (480, 65255), (496, 63150), (600, 52204), (620, 50520), (744, 42100), (775, 40416), (800, 39153), (842, 37200), (930, 33680), (992, 31575), (1200, 26102), (1240, 25260), (1263, 24800), (1488, 21050), (1550, 20208), (1684, 18600), (1860, 16840), (2105, 14880), (2325, 13472), (2400, 13051), (2480, 12630), (2526, 12400), (2976, 10525), (3100, 10104), (3368, 9300), (3720, 8420), (4210, 7440), (4650, 6736), (4960, 6315), (5052, 6200)]