520012520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 1306368000

約数和(自身を除く): 786355480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 71, 76, 92, 95, 115, 142, 152, 184, 190, 230, 284, 355, 380, 419, 437, 460, 568, 710, 760, 838, 874, 920, 1349, 1420, 1633, 1676, 1748, 2095, 2185, 2698, 2840, 3266, 3352, 3496, 4190, 4370, 5396, 6532, 6745, 7961, 8165, 8380, 8740, 9637, 10792, 13064, 13490, 15922, 16330, 16760, 17480, 19274, 26980, 29749, 31027, 31844, 32660, 38548, 39805, 48185, 53960, 59498, 62054, 63688, 65320, 77096, 79610, 96370, 118996, 124108, 148745, 155135, 159220, 183103, 192740, 237992, 248216, 297490, 310270, 318440, 366206, 385480, 565231, 594980, 620540, 684227, 732412, 915515, 1130462, 1189960, 1241080, 1368454, 1464824, 1831030, 2260924, 2736908, 2826155, 3421135, 3662060, 4521848, 5473816, 5652310, 6842270, 7324120, 11304620, 13000313, 13684540, 22609240, 26000626, 27369080, 52001252, 65001565, 104002504, 130003130, 260006260, 520012520]

約数ペア:

[(1, 520012520), (2, 260006260), (4, 130003130), (5, 104002504), (8, 65001565), (10, 52001252), (19, 27369080), (20, 26000626), (23, 22609240), (38, 13684540), (40, 13000313), (46, 11304620), (71, 7324120), (76, 6842270), (92, 5652310), (95, 5473816), (115, 4521848), (142, 3662060), (152, 3421135), (184, 2826155), (190, 2736908), (230, 2260924), (284, 1831030), (355, 1464824), (380, 1368454), (419, 1241080), (437, 1189960), (460, 1130462), (568, 915515), (710, 732412), (760, 684227), (838, 620540), (874, 594980), (920, 565231), (1349, 385480), (1420, 366206), (1633, 318440), (1676, 310270), (1748, 297490), (2095, 248216), (2185, 237992), (2698, 192740), (2840, 183103), (3266, 159220), (3352, 155135), (3496, 148745), (4190, 124108), (4370, 118996), (5396, 96370), (6532, 79610), (6745, 77096), (7961, 65320), (8165, 63688), (8380, 62054), (8740, 59498), (9637, 53960), (10792, 48185), (13064, 39805), (13490, 38548), (15922, 32660), (16330, 31844), (16760, 31027), (17480, 29749), (19274, 26980)]