681555120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:547

約数の個数: 160

約数和(自身を含む): 2166528000

約数和(自身を除く): 1484972880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 103, 120, 158, 206, 237, 240, 309, 316, 349, 395, 412, 474, 515, 618, 632, 698, 790, 824, 948, 1030, 1047, 1185, 1236, 1264, 1396, 1545, 1580, 1648, 1745, 1896, 2060, 2094, 2370, 2472, 2792, 3090, 3160, 3490, 3792, 4120, 4188, 4740, 4944, 5235, 5584, 6180, 6320, 6980, 8137, 8240, 8376, 9480, 10470, 12360, 13960, 16274, 16752, 18960, 20940, 24411, 24720, 27571, 27920, 32548, 35947, 40685, 41880, 48822, 55142, 65096, 71894, 81370, 82713, 83760, 97644, 107841, 110284, 122055, 130192, 137855, 143788, 162740, 165426, 179735, 195288, 215682, 220568, 244110, 275710, 287576, 325480, 330852, 359470, 390576, 413565, 431364, 441136, 488220, 539205, 551420, 575152, 650960, 661704, 718940, 827130, 862728, 976440, 1078410, 1102840, 1323408, 1437880, 1654260, 1725456, 1952880, 2156820, 2205680, 2839813, 2875760, 3308520, 4313640, 5679626, 6617040, 8519439, 8627280, 11359252, 14199065, 17038878, 22718504, 28398130, 34077756, 42597195, 45437008, 56796260, 68155512, 85194390, 113592520, 136311024, 170388780, 227185040, 340777560, 681555120]

約数ペア:

[(1, 681555120), (2, 340777560), (3, 227185040), (4, 170388780), (5, 136311024), (6, 113592520), (8, 85194390), (10, 68155512), (12, 56796260), (15, 45437008), (16, 42597195), (20, 34077756), (24, 28398130), (30, 22718504), (40, 17038878), (48, 14199065), (60, 11359252), (79, 8627280), (80, 8519439), (103, 6617040), (120, 5679626), (158, 4313640), (206, 3308520), (237, 2875760), (240, 2839813), (309, 2205680), (316, 2156820), (349, 1952880), (395, 1725456), (412, 1654260), (474, 1437880), (515, 1323408), (618, 1102840), (632, 1078410), (698, 976440), (790, 862728), (824, 827130), (948, 718940), (1030, 661704), (1047, 650960), (1185, 575152), (1236, 551420), (1264, 539205), (1396, 488220), (1545, 441136), (1580, 431364), (1648, 413565), (1745, 390576), (1896, 359470), (2060, 330852), (2094, 325480), (2370, 287576), (2472, 275710), (2792, 244110), (3090, 220568), (3160, 215682), (3490, 195288), (3792, 179735), (4120, 165426), (4188, 162740), (4740, 143788), (4944, 137855), (5235, 130192), (5584, 122055), (6180, 110284), (6320, 107841), (6980, 97644), (8137, 83760), (8240, 82713), (8376, 81370), (9480, 71894), (10470, 65096), (12360, 55142), (13960, 48822), (16274, 41880), (16752, 40685), (18960, 35947), (20940, 32548), (24411, 27920), (24720, 27571)]