212990280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:959

約数の個数: 128

約数和(自身を含む): 682577280

約数和(自身を除く): 469587000

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, 131, 136, 170, 204, 255, 262, 340, 393, 408, 510, 524, 655, 680, 786, 797, 1020, 1048, 1310, 1572, 1594, 1965, 2040, 2227, 2391, 2620, 3144, 3188, 3930, 3985, 4454, 4782, 5240, 6376, 6681, 7860, 7970, 8908, 9564, 11135, 11955, 13362, 13549, 15720, 15940, 17816, 19128, 22270, 23910, 26724, 27098, 31880, 33405, 40647, 44540, 47820, 53448, 54196, 66810, 67745, 81294, 89080, 95640, 104407, 108392, 133620, 135490, 162588, 203235, 208814, 267240, 270980, 313221, 325176, 406470, 417628, 522035, 541960, 626442, 812940, 835256, 1044070, 1252884, 1566105, 1625880, 1774919, 2088140, 2505768, 3132210, 3549838, 4176280, 5324757, 6264420, 7099676, 8874595, 10649514, 12528840, 14199352, 17749190, 21299028, 26623785, 35498380, 42598056, 53247570, 70996760, 106495140, 212990280]

約数ペア:

[(1, 212990280), (2, 106495140), (3, 70996760), (4, 53247570), (5, 42598056), (6, 35498380), (8, 26623785), (10, 21299028), (12, 17749190), (15, 14199352), (17, 12528840), (20, 10649514), (24, 8874595), (30, 7099676), (34, 6264420), (40, 5324757), (51, 4176280), (60, 3549838), (68, 3132210), (85, 2505768), (102, 2088140), (120, 1774919), (131, 1625880), (136, 1566105), (170, 1252884), (204, 1044070), (255, 835256), (262, 812940), (340, 626442), (393, 541960), (408, 522035), (510, 417628), (524, 406470), (655, 325176), (680, 313221), (786, 270980), (797, 267240), (1020, 208814), (1048, 203235), (1310, 162588), (1572, 135490), (1594, 133620), (1965, 108392), (2040, 104407), (2227, 95640), (2391, 89080), (2620, 81294), (3144, 67745), (3188, 66810), (3930, 54196), (3985, 53448), (4454, 47820), (4782, 44540), (5240, 40647), (6376, 33405), (6681, 31880), (7860, 27098), (7970, 26724), (8908, 23910), (9564, 22270), (11135, 19128), (11955, 17816), (13362, 15940), (13549, 15720)]