64393780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 154949760

約数和(自身を除く): 90555980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 59, 82, 110, 118, 121, 164, 205, 220, 236, 242, 295, 410, 451, 484, 590, 605, 649, 820, 902, 1180, 1210, 1298, 1331, 1804, 2255, 2419, 2420, 2596, 2662, 3245, 4510, 4838, 4961, 5324, 6490, 6655, 7139, 9020, 9676, 9922, 12095, 12980, 13310, 14278, 19844, 24190, 24805, 26609, 26620, 28556, 35695, 48380, 49610, 53218, 54571, 71390, 78529, 99220, 106436, 109142, 133045, 142780, 157058, 218284, 266090, 272855, 292699, 314116, 392645, 532180, 545710, 585398, 785290, 1091420, 1170796, 1463495, 1570580, 2926990, 3219689, 5853980, 6439378, 12878756, 16098445, 32196890, 64393780]

約数ペア:

[(1, 64393780), (2, 32196890), (4, 16098445), (5, 12878756), (10, 6439378), (11, 5853980), (20, 3219689), (22, 2926990), (41, 1570580), (44, 1463495), (55, 1170796), (59, 1091420), (82, 785290), (110, 585398), (118, 545710), (121, 532180), (164, 392645), (205, 314116), (220, 292699), (236, 272855), (242, 266090), (295, 218284), (410, 157058), (451, 142780), (484, 133045), (590, 109142), (605, 106436), (649, 99220), (820, 78529), (902, 71390), (1180, 54571), (1210, 53218), (1298, 49610), (1331, 48380), (1804, 35695), (2255, 28556), (2419, 26620), (2420, 26609), (2596, 24805), (2662, 24190), (3245, 19844), (4510, 14278), (4838, 13310), (4961, 12980), (5324, 12095), (6490, 9922), (6655, 9676), (7139, 9020)]