31785240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15581}}^1$

素因数の和:15612

約数の個数: 64

約数和(自身を含む): 100971360

約数和(自身を除く): 69186120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15581, 31162, 46743, 62324, 77905, 93486, 124648, 155810, 186972, 233715, 264877, 311620, 373944, 467430, 529754, 623240, 794631, 934860, 1059508, 1324385, 1589262, 1869720, 2119016, 2648770, 3178524, 3973155, 5297540, 6357048, 7946310, 10595080, 15892620, 31785240]

約数ペア:

[(1, 31785240), (2, 15892620), (3, 10595080), (4, 7946310), (5, 6357048), (6, 5297540), (8, 3973155), (10, 3178524), (12, 2648770), (15, 2119016), (17, 1869720), (20, 1589262), (24, 1324385), (30, 1059508), (34, 934860), (40, 794631), (51, 623240), (60, 529754), (68, 467430), (85, 373944), (102, 311620), (120, 264877), (136, 233715), (170, 186972), (204, 155810), (255, 124648), (340, 93486), (408, 77905), (510, 62324), (680, 46743), (1020, 31162), (2040, 15581)]