257057460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6833}}^1$

素因数の和:6878

約数の個数: 144

約数和(自身を含む): 895527360

約数和(自身を除く): 638469900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 6270, 6833, 7524, 9405, 12540, 13666, 18810, 20499, 27332, 34165, 37620, 40998, 61497, 68330, 75163, 81996, 102495, 122994, 129827, 136660, 150326, 204990, 225489, 245988, 259654, 300652, 307485, 375815, 389481, 409980, 450978, 519308, 614970, 649135, 676467, 751630, 778962, 901956, 1127445, 1168443, 1229940, 1298270, 1352934, 1428097, 1503260, 1557924, 1947405, 2254890, 2336886, 2596540, 2705868, 2856194, 3382335, 3894810, 4284291, 4509780, 4673772, 5712388, 5842215, 6764670, 7140485, 7789620, 8568582, 11684430, 12852873, 13529340, 14280970, 17137164, 21421455, 23368860, 25705746, 28561940, 42842910, 51411492, 64264365, 85685820, 128528730, 257057460]

約数ペア:

[(1, 257057460), (2, 128528730), (3, 85685820), (4, 64264365), (5, 51411492), (6, 42842910), (9, 28561940), (10, 25705746), (11, 23368860), (12, 21421455), (15, 17137164), (18, 14280970), (19, 13529340), (20, 12852873), (22, 11684430), (30, 8568582), (33, 7789620), (36, 7140485), (38, 6764670), (44, 5842215), (45, 5712388), (55, 4673772), (57, 4509780), (60, 4284291), (66, 3894810), (76, 3382335), (90, 2856194), (95, 2705868), (99, 2596540), (110, 2336886), (114, 2254890), (132, 1947405), (165, 1557924), (171, 1503260), (180, 1428097), (190, 1352934), (198, 1298270), (209, 1229940), (220, 1168443), (228, 1127445), (285, 901956), (330, 778962), (342, 751630), (380, 676467), (396, 649135), (418, 614970), (495, 519308), (570, 450978), (627, 409980), (660, 389481), (684, 375815), (836, 307485), (855, 300652), (990, 259654), (1045, 245988), (1140, 225489), (1254, 204990), (1710, 150326), (1881, 136660), (1980, 129827), (2090, 122994), (2508, 102495), (3135, 81996), (3420, 75163), (3762, 68330), (4180, 61497), (6270, 40998), (6833, 37620), (7524, 34165), (9405, 27332), (12540, 20499), (13666, 18810)]