47781540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8563}}^1$

素因数の和:8609

約数の個数: 72

約数和(自身を含む): 149630208

約数和(自身を除く): 101848668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 8563, 17126, 25689, 34252, 42815, 51378, 77067, 85630, 102756, 128445, 154134, 171260, 256890, 265453, 308268, 385335, 513780, 530906, 770670, 796359, 1061812, 1327265, 1541340, 1592718, 2389077, 2654530, 3185436, 3981795, 4778154, 5309060, 7963590, 9556308, 11945385, 15927180, 23890770, 47781540]

約数ペア:

[(1, 47781540), (2, 23890770), (3, 15927180), (4, 11945385), (5, 9556308), (6, 7963590), (9, 5309060), (10, 4778154), (12, 3981795), (15, 3185436), (18, 2654530), (20, 2389077), (30, 1592718), (31, 1541340), (36, 1327265), (45, 1061812), (60, 796359), (62, 770670), (90, 530906), (93, 513780), (124, 385335), (155, 308268), (180, 265453), (186, 256890), (279, 171260), (310, 154134), (372, 128445), (465, 102756), (558, 85630), (620, 77067), (930, 51378), (1116, 42815), (1395, 34252), (1860, 25689), (2790, 17126), (5580, 8563)]