81952020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3229}}^1$

素因数の和:3294

約数の個数: 96

約数和(自身を含む): 260467200

約数和(自身を除く): 178515180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 940, 1269, 1410, 1692, 2115, 2538, 2820, 3229, 4230, 5076, 6345, 6458, 8460, 9687, 12690, 12916, 16145, 19374, 25380, 29061, 32290, 38748, 48435, 58122, 64580, 87183, 96870, 116244, 145305, 151763, 174366, 193740, 290610, 303526, 348732, 435915, 455289, 581220, 607052, 758815, 871830, 910578, 1365867, 1517630, 1743660, 1821156, 2276445, 2731734, 3035260, 4097601, 4552890, 5463468, 6829335, 8195202, 9105780, 13658670, 16390404, 20488005, 27317340, 40976010, 81952020]

約数ペア:

[(1, 81952020), (2, 40976010), (3, 27317340), (4, 20488005), (5, 16390404), (6, 13658670), (9, 9105780), (10, 8195202), (12, 6829335), (15, 5463468), (18, 4552890), (20, 4097601), (27, 3035260), (30, 2731734), (36, 2276445), (45, 1821156), (47, 1743660), (54, 1517630), (60, 1365867), (90, 910578), (94, 871830), (108, 758815), (135, 607052), (141, 581220), (180, 455289), (188, 435915), (235, 348732), (270, 303526), (282, 290610), (423, 193740), (470, 174366), (540, 151763), (564, 145305), (705, 116244), (846, 96870), (940, 87183), (1269, 64580), (1410, 58122), (1692, 48435), (2115, 38748), (2538, 32290), (2820, 29061), (3229, 25380), (4230, 19374), (5076, 16145), (6345, 12916), (6458, 12690), (8460, 9687)]