27631780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 39863900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 61, 71, 110, 116, 122, 142, 145, 220, 244, 284, 290, 305, 319, 355, 580, 610, 638, 671, 710, 781, 1220, 1276, 1342, 1420, 1562, 1595, 1769, 2059, 2684, 3124, 3190, 3355, 3538, 3905, 4118, 4331, 6380, 6710, 7076, 7810, 8236, 8662, 8845, 10295, 13420, 15620, 17324, 17690, 19459, 20590, 21655, 22649, 35380, 38918, 41180, 43310, 45298, 47641, 77836, 86620, 90596, 95282, 97295, 113245, 125599, 190564, 194590, 226490, 238205, 251198, 389180, 452980, 476410, 502396, 627995, 952820, 1255990, 1381589, 2511980, 2763178, 5526356, 6907945, 13815890, 27631780]

約数ペア:

[(1, 27631780), (2, 13815890), (4, 6907945), (5, 5526356), (10, 2763178), (11, 2511980), (20, 1381589), (22, 1255990), (29, 952820), (44, 627995), (55, 502396), (58, 476410), (61, 452980), (71, 389180), (110, 251198), (116, 238205), (122, 226490), (142, 194590), (145, 190564), (220, 125599), (244, 113245), (284, 97295), (290, 95282), (305, 90596), (319, 86620), (355, 77836), (580, 47641), (610, 45298), (638, 43310), (671, 41180), (710, 38918), (781, 35380), (1220, 22649), (1276, 21655), (1342, 20590), (1420, 19459), (1562, 17690), (1595, 17324), (1769, 15620), (2059, 13420), (2684, 10295), (3124, 8845), (3190, 8662), (3355, 8236), (3538, 7810), (3905, 7076), (4118, 6710), (4331, 6380)]