217225920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3187}}^1$

素因数の和:3278

約数の個数: 112

約数和(自身を含む): 699625728

約数和(自身を除く): 482399808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 142, 160, 192, 213, 240, 284, 320, 355, 426, 480, 568, 710, 852, 960, 1065, 1136, 1420, 1704, 2130, 2272, 2840, 3187, 3408, 4260, 4544, 5680, 6374, 6816, 8520, 9561, 11360, 12748, 13632, 15935, 17040, 19122, 22720, 25496, 31870, 34080, 38244, 47805, 50992, 63740, 68160, 76488, 95610, 101984, 127480, 152976, 191220, 203968, 226277, 254960, 305952, 382440, 452554, 509920, 611904, 678831, 764880, 905108, 1019840, 1131385, 1357662, 1529760, 1810216, 2262770, 2715324, 3059520, 3394155, 3620432, 4525540, 5430648, 6788310, 7240864, 9051080, 10861296, 13576620, 14481728, 18102160, 21722592, 27153240, 36204320, 43445184, 54306480, 72408640, 108612960, 217225920]

約数ペア:

[(1, 217225920), (2, 108612960), (3, 72408640), (4, 54306480), (5, 43445184), (6, 36204320), (8, 27153240), (10, 21722592), (12, 18102160), (15, 14481728), (16, 13576620), (20, 10861296), (24, 9051080), (30, 7240864), (32, 6788310), (40, 5430648), (48, 4525540), (60, 3620432), (64, 3394155), (71, 3059520), (80, 2715324), (96, 2262770), (120, 1810216), (142, 1529760), (160, 1357662), (192, 1131385), (213, 1019840), (240, 905108), (284, 764880), (320, 678831), (355, 611904), (426, 509920), (480, 452554), (568, 382440), (710, 305952), (852, 254960), (960, 226277), (1065, 203968), (1136, 191220), (1420, 152976), (1704, 127480), (2130, 101984), (2272, 95610), (2840, 76488), (3187, 68160), (3408, 63740), (4260, 50992), (4544, 47805), (5680, 38244), (6374, 34080), (6816, 31870), (8520, 25496), (9561, 22720), (11360, 19122), (12748, 17040), (13632, 15935)]