81482850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4211}}^1$

素因数の和:4272

約数の個数: 72

約数和(自身を含む): 224061552

約数和(自身を除く): 142578702

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1290, 1935, 2150, 3225, 3870, 4211, 6450, 8422, 9675, 12633, 19350, 21055, 25266, 37899, 42110, 63165, 75798, 105275, 126330, 181073, 189495, 210550, 315825, 362146, 378990, 543219, 631650, 905365, 947475, 1086438, 1629657, 1810730, 1894950, 2716095, 3259314, 4526825, 5432190, 8148285, 9053650, 13580475, 16296570, 27160950, 40741425, 81482850]

約数ペア:

[(1, 81482850), (2, 40741425), (3, 27160950), (5, 16296570), (6, 13580475), (9, 9053650), (10, 8148285), (15, 5432190), (18, 4526825), (25, 3259314), (30, 2716095), (43, 1894950), (45, 1810730), (50, 1629657), (75, 1086438), (86, 947475), (90, 905365), (129, 631650), (150, 543219), (215, 378990), (225, 362146), (258, 315825), (387, 210550), (430, 189495), (450, 181073), (645, 126330), (774, 105275), (1075, 75798), (1290, 63165), (1935, 42110), (2150, 37899), (3225, 25266), (3870, 21055), (4211, 19350), (6450, 12633), (8422, 9675)]