8013720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 28304640

約数和(自身を除く): 20290920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 467, 520, 572, 660, 715, 780, 858, 934, 1144, 1320, 1401, 1430, 1560, 1716, 1868, 2145, 2335, 2802, 2860, 3432, 3736, 4290, 4670, 5137, 5604, 5720, 6071, 7005, 8580, 9340, 10274, 11208, 12142, 14010, 15411, 17160, 18213, 18680, 20548, 24284, 25685, 28020, 30355, 30822, 36426, 41096, 48568, 51370, 56040, 60710, 61644, 66781, 72852, 77055, 91065, 102740, 121420, 123288, 133562, 145704, 154110, 182130, 200343, 205480, 242840, 267124, 308220, 333905, 364260, 400686, 534248, 616440, 667810, 728520, 801372, 1001715, 1335620, 1602744, 2003430, 2671240, 4006860, 8013720]

約数ペア:

[(1, 8013720), (2, 4006860), (3, 2671240), (4, 2003430), (5, 1602744), (6, 1335620), (8, 1001715), (10, 801372), (11, 728520), (12, 667810), (13, 616440), (15, 534248), (20, 400686), (22, 364260), (24, 333905), (26, 308220), (30, 267124), (33, 242840), (39, 205480), (40, 200343), (44, 182130), (52, 154110), (55, 145704), (60, 133562), (65, 123288), (66, 121420), (78, 102740), (88, 91065), (104, 77055), (110, 72852), (120, 66781), (130, 61644), (132, 60710), (143, 56040), (156, 51370), (165, 48568), (195, 41096), (220, 36426), (260, 30822), (264, 30355), (286, 28020), (312, 25685), (330, 24284), (390, 20548), (429, 18680), (440, 18213), (467, 17160), (520, 15411), (572, 14010), (660, 12142), (715, 11208), (780, 10274), (858, 9340), (934, 8580), (1144, 7005), (1320, 6071), (1401, 5720), (1430, 5604), (1560, 5137), (1716, 4670), (1868, 4290), (2145, 3736), (2335, 3432), (2802, 2860)]