42780080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{967}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 115230720

約数和(自身を除く): 72450640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 967, 1106, 1264, 1580, 1934, 2212, 2765, 3160, 3868, 4424, 4835, 5530, 6320, 6769, 7736, 8848, 9670, 11060, 13538, 15472, 19340, 22120, 27076, 33845, 38680, 44240, 54152, 67690, 76393, 77360, 108304, 135380, 152786, 270760, 305572, 381965, 534751, 541520, 611144, 763930, 1069502, 1222288, 1527860, 2139004, 2673755, 3055720, 4278008, 5347510, 6111440, 8556016, 10695020, 21390040, 42780080]

約数ペア:

[(1, 42780080), (2, 21390040), (4, 10695020), (5, 8556016), (7, 6111440), (8, 5347510), (10, 4278008), (14, 3055720), (16, 2673755), (20, 2139004), (28, 1527860), (35, 1222288), (40, 1069502), (56, 763930), (70, 611144), (79, 541520), (80, 534751), (112, 381965), (140, 305572), (158, 270760), (280, 152786), (316, 135380), (395, 108304), (553, 77360), (560, 76393), (632, 67690), (790, 54152), (967, 44240), (1106, 38680), (1264, 33845), (1580, 27076), (1934, 22120), (2212, 19340), (2765, 15472), (3160, 13538), (3868, 11060), (4424, 9670), (4835, 8848), (5530, 7736), (6320, 6769)]