811237760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1319}}^1$

素因数の和:1400

約数の個数: 96

約数和(自身を含む): 2005462800

約数和(自身を除く): 1194225040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 961, 992, 1240, 1319, 1922, 1984, 2480, 2638, 3844, 3968, 4805, 4960, 5276, 6595, 7688, 9610, 9920, 10552, 13190, 15376, 19220, 19840, 21104, 26380, 30752, 38440, 40889, 42208, 52760, 61504, 76880, 81778, 84416, 105520, 123008, 153760, 163556, 168832, 204445, 211040, 307520, 327112, 408890, 422080, 615040, 654224, 817780, 844160, 1267559, 1308448, 1635560, 2535118, 2616896, 3271120, 5070236, 5233792, 6337795, 6542240, 10140472, 12675590, 13084480, 20280944, 25351180, 26168960, 40561888, 50702360, 81123776, 101404720, 162247552, 202809440, 405618880, 811237760]

約数ペア:

[(1, 811237760), (2, 405618880), (4, 202809440), (5, 162247552), (8, 101404720), (10, 81123776), (16, 50702360), (20, 40561888), (31, 26168960), (32, 25351180), (40, 20280944), (62, 13084480), (64, 12675590), (80, 10140472), (124, 6542240), (128, 6337795), (155, 5233792), (160, 5070236), (248, 3271120), (310, 2616896), (320, 2535118), (496, 1635560), (620, 1308448), (640, 1267559), (961, 844160), (992, 817780), (1240, 654224), (1319, 615040), (1922, 422080), (1984, 408890), (2480, 327112), (2638, 307520), (3844, 211040), (3968, 204445), (4805, 168832), (4960, 163556), (5276, 153760), (6595, 123008), (7688, 105520), (9610, 84416), (9920, 81778), (10552, 76880), (13190, 61504), (15376, 52760), (19220, 42208), (19840, 40889), (21104, 38440), (26380, 30752)]