161743140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 144

約数和(自身を含む): 532786800

約数和(自身を除く): 371043660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 409, 468, 507, 585, 676, 780, 818, 845, 1014, 1170, 1227, 1521, 1636, 1690, 2028, 2045, 2197, 2340, 2454, 2535, 3042, 3380, 3681, 4090, 4394, 4908, 5070, 5317, 6084, 6135, 6591, 7362, 7605, 8180, 8788, 10140, 10634, 10985, 12270, 13182, 14724, 15210, 15951, 18405, 19773, 21268, 21970, 24540, 26364, 26585, 30420, 31902, 32955, 36810, 39546, 43940, 47853, 53170, 63804, 65910, 69121, 73620, 79092, 79755, 95706, 98865, 106340, 131820, 138242, 159510, 191412, 197730, 207363, 239265, 276484, 319020, 345605, 395460, 414726, 478530, 622089, 691210, 829452, 898573, 957060, 1036815, 1244178, 1382420, 1797146, 2073630, 2488356, 2695719, 3110445, 3594292, 4147260, 4492865, 5391438, 6220890, 8087157, 8985730, 10782876, 12441780, 13478595, 16174314, 17971460, 26957190, 32348628, 40435785, 53914380, 80871570, 161743140]

約数ペア:

[(1, 161743140), (2, 80871570), (3, 53914380), (4, 40435785), (5, 32348628), (6, 26957190), (9, 17971460), (10, 16174314), (12, 13478595), (13, 12441780), (15, 10782876), (18, 8985730), (20, 8087157), (26, 6220890), (30, 5391438), (36, 4492865), (39, 4147260), (45, 3594292), (52, 3110445), (60, 2695719), (65, 2488356), (78, 2073630), (90, 1797146), (117, 1382420), (130, 1244178), (156, 1036815), (169, 957060), (180, 898573), (195, 829452), (234, 691210), (260, 622089), (338, 478530), (390, 414726), (409, 395460), (468, 345605), (507, 319020), (585, 276484), (676, 239265), (780, 207363), (818, 197730), (845, 191412), (1014, 159510), (1170, 138242), (1227, 131820), (1521, 106340), (1636, 98865), (1690, 95706), (2028, 79755), (2045, 79092), (2197, 73620), (2340, 69121), (2454, 65910), (2535, 63804), (3042, 53170), (3380, 47853), (3681, 43940), (4090, 39546), (4394, 36810), (4908, 32955), (5070, 31902), (5317, 30420), (6084, 26585), (6135, 26364), (6591, 24540), (7362, 21970), (7605, 21268), (8180, 19773), (8788, 18405), (10140, 15951), (10634, 15210), (10985, 14724), (12270, 13182)]