78521040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8389}}^1$

素因数の和:8421

約数の個数: 120

約数和(自身を含む): 284018280

約数和(自身を除く): 205497240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8389, 9360, 16778, 25167, 33556, 41945, 50334, 67112, 75501, 83890, 100668, 109057, 125835, 134224, 151002, 167780, 201336, 218114, 251670, 302004, 327171, 335560, 377505, 402672, 436228, 503340, 545285, 604008, 654342, 671120, 755010, 872456, 981513, 1006680, 1090570, 1208016, 1308684, 1510020, 1635855, 1744912, 1963026, 2013360, 2181140, 2617368, 3020040, 3271710, 3926052, 4362280, 4907565, 5234736, 6040080, 6543420, 7852104, 8724560, 9815130, 13086840, 15704208, 19630260, 26173680, 39260520, 78521040]

約数ペア:

[(1, 78521040), (2, 39260520), (3, 26173680), (4, 19630260), (5, 15704208), (6, 13086840), (8, 9815130), (9, 8724560), (10, 7852104), (12, 6543420), (13, 6040080), (15, 5234736), (16, 4907565), (18, 4362280), (20, 3926052), (24, 3271710), (26, 3020040), (30, 2617368), (36, 2181140), (39, 2013360), (40, 1963026), (45, 1744912), (48, 1635855), (52, 1510020), (60, 1308684), (65, 1208016), (72, 1090570), (78, 1006680), (80, 981513), (90, 872456), (104, 755010), (117, 671120), (120, 654342), (130, 604008), (144, 545285), (156, 503340), (180, 436228), (195, 402672), (208, 377505), (234, 335560), (240, 327171), (260, 302004), (312, 251670), (360, 218114), (390, 201336), (468, 167780), (520, 151002), (585, 134224), (624, 125835), (720, 109057), (780, 100668), (936, 83890), (1040, 75501), (1170, 67112), (1560, 50334), (1872, 41945), (2340, 33556), (3120, 25167), (4680, 16778), (8389, 9360)]