31213166520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1361831}}^1$

素因数の和:1362036

約数の個数: 64

約数和(自身を含む): 94129827840

約数和(自身を除く): 62916661320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3820, 4584, 5730, 7640, 11460, 22920, 1361831, 2723662, 4085493, 5447324, 6809155, 8170986, 10894648, 13618310, 16341972, 20427465, 27236620, 32683944, 40854930, 54473240, 81709860, 163419720, 260109721, 520219442, 780329163, 1040438884, 1300548605, 1560658326, 2080877768, 2601097210, 3121316652, 3901645815, 5202194420, 6242633304, 7803291630, 10404388840, 15606583260, 31213166520]

約数ペア:

[(1, 31213166520), (2, 15606583260), (3, 10404388840), (4, 7803291630), (5, 6242633304), (6, 5202194420), (8, 3901645815), (10, 3121316652), (12, 2601097210), (15, 2080877768), (20, 1560658326), (24, 1300548605), (30, 1040438884), (40, 780329163), (60, 520219442), (120, 260109721), (191, 163419720), (382, 81709860), (573, 54473240), (764, 40854930), (955, 32683944), (1146, 27236620), (1528, 20427465), (1910, 16341972), (2292, 13618310), (2865, 10894648), (3820, 8170986), (4584, 6809155), (5730, 5447324), (7640, 4085493), (11460, 2723662), (22920, 1361831)]