31413240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 96

約数和(自身を含む): 103615200

約数和(自身を除く): 72201960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1229, 1278, 1420, 1704, 2130, 2458, 2556, 2840, 3195, 3687, 4260, 4916, 5112, 6145, 6390, 7374, 8520, 9832, 11061, 12290, 12780, 14748, 18435, 22122, 24580, 25560, 29496, 36870, 44244, 49160, 55305, 73740, 87259, 88488, 110610, 147480, 174518, 221220, 261777, 349036, 436295, 442440, 523554, 698072, 785331, 872590, 1047108, 1308885, 1570662, 1745180, 2094216, 2617770, 3141324, 3490360, 3926655, 5235540, 6282648, 7853310, 10471080, 15706620, 31413240]

約数ペア:

[(1, 31413240), (2, 15706620), (3, 10471080), (4, 7853310), (5, 6282648), (6, 5235540), (8, 3926655), (9, 3490360), (10, 3141324), (12, 2617770), (15, 2094216), (18, 1745180), (20, 1570662), (24, 1308885), (30, 1047108), (36, 872590), (40, 785331), (45, 698072), (60, 523554), (71, 442440), (72, 436295), (90, 349036), (120, 261777), (142, 221220), (180, 174518), (213, 147480), (284, 110610), (355, 88488), (360, 87259), (426, 73740), (568, 55305), (639, 49160), (710, 44244), (852, 36870), (1065, 29496), (1229, 25560), (1278, 24580), (1420, 22122), (1704, 18435), (2130, 14748), (2458, 12780), (2556, 12290), (2840, 11061), (3195, 9832), (3687, 8520), (4260, 7374), (4916, 6390), (5112, 6145)]