25077780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1566

約数の個数: 144

約数和(自身を含む): 93684864

約数和(自身を除く): 68607084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1531, 1638, 1820, 2340, 2730, 3062, 3276, 4095, 4593, 5460, 6124, 7655, 8190, 9186, 10717, 13779, 15310, 16380, 18372, 19903, 21434, 22965, 27558, 30620, 32151, 39806, 42868, 45930, 53585, 55116, 59709, 64302, 68895, 79612, 91860, 96453, 99515, 107170, 119418, 128604, 137790, 139321, 160755, 179127, 192906, 199030, 214340, 238836, 275580, 278642, 298545, 321510, 358254, 385812, 398060, 417963, 482265, 557284, 597090, 643020, 696605, 716508, 835926, 895635, 964530, 1194180, 1253889, 1393210, 1671852, 1791270, 1929060, 2089815, 2507778, 2786420, 3582540, 4179630, 5015556, 6269445, 8359260, 12538890, 25077780]

約数ペア:

[(1, 25077780), (2, 12538890), (3, 8359260), (4, 6269445), (5, 5015556), (6, 4179630), (7, 3582540), (9, 2786420), (10, 2507778), (12, 2089815), (13, 1929060), (14, 1791270), (15, 1671852), (18, 1393210), (20, 1253889), (21, 1194180), (26, 964530), (28, 895635), (30, 835926), (35, 716508), (36, 696605), (39, 643020), (42, 597090), (45, 557284), (52, 482265), (60, 417963), (63, 398060), (65, 385812), (70, 358254), (78, 321510), (84, 298545), (90, 278642), (91, 275580), (105, 238836), (117, 214340), (126, 199030), (130, 192906), (140, 179127), (156, 160755), (180, 139321), (182, 137790), (195, 128604), (210, 119418), (234, 107170), (252, 99515), (260, 96453), (273, 91860), (315, 79612), (364, 68895), (390, 64302), (420, 59709), (455, 55116), (468, 53585), (546, 45930), (585, 42868), (630, 39806), (780, 32151), (819, 30620), (910, 27558), (1092, 22965), (1170, 21434), (1260, 19903), (1365, 18372), (1531, 16380), (1638, 15310), (1820, 13779), (2340, 10717), (2730, 9186), (3062, 8190), (3276, 7655), (4095, 6124), (4593, 5460)]