639155280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1429

約数の個数: 160

約数和(自身を含む): 2092366080

約数和(自身を除く): 1453210800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 445, 460, 534, 552, 690, 712, 890, 920, 1068, 1104, 1301, 1335, 1380, 1424, 1780, 1840, 2047, 2136, 2602, 2670, 2760, 3560, 3903, 4094, 4272, 5204, 5340, 5520, 6141, 6505, 7120, 7806, 8188, 10235, 10408, 10680, 12282, 13010, 15612, 16376, 19515, 20470, 20816, 21360, 24564, 26020, 29923, 30705, 31224, 32752, 39030, 40940, 49128, 52040, 59846, 61410, 62448, 78060, 81880, 89769, 98256, 104080, 115789, 119692, 122820, 149615, 156120, 163760, 179538, 231578, 239384, 245640, 299230, 312240, 347367, 359076, 448845, 463156, 478768, 491280, 578945, 598460, 694734, 718152, 897690, 926312, 1157890, 1196920, 1389468, 1436304, 1736835, 1795380, 1852624, 2315780, 2393840, 2663147, 2778936, 3473670, 3590760, 4631560, 5326294, 5557872, 6947340, 7181520, 7989441, 9263120, 10652588, 13315735, 13894680, 15978882, 21305176, 26631470, 27789360, 31957764, 39947205, 42610352, 53262940, 63915528, 79894410, 106525880, 127831056, 159788820, 213051760, 319577640, 639155280]

約数ペア:

[(1, 639155280), (2, 319577640), (3, 213051760), (4, 159788820), (5, 127831056), (6, 106525880), (8, 79894410), (10, 63915528), (12, 53262940), (15, 42610352), (16, 39947205), (20, 31957764), (23, 27789360), (24, 26631470), (30, 21305176), (40, 15978882), (46, 13894680), (48, 13315735), (60, 10652588), (69, 9263120), (80, 7989441), (89, 7181520), (92, 6947340), (115, 5557872), (120, 5326294), (138, 4631560), (178, 3590760), (184, 3473670), (230, 2778936), (240, 2663147), (267, 2393840), (276, 2315780), (345, 1852624), (356, 1795380), (368, 1736835), (445, 1436304), (460, 1389468), (534, 1196920), (552, 1157890), (690, 926312), (712, 897690), (890, 718152), (920, 694734), (1068, 598460), (1104, 578945), (1301, 491280), (1335, 478768), (1380, 463156), (1424, 448845), (1780, 359076), (1840, 347367), (2047, 312240), (2136, 299230), (2602, 245640), (2670, 239384), (2760, 231578), (3560, 179538), (3903, 163760), (4094, 156120), (4272, 149615), (5204, 122820), (5340, 119692), (5520, 115789), (6141, 104080), (6505, 98256), (7120, 89769), (7806, 81880), (8188, 78060), (10235, 62448), (10408, 61410), (10680, 59846), (12282, 52040), (13010, 49128), (15612, 40940), (16376, 39030), (19515, 32752), (20470, 31224), (20816, 30705), (21360, 29923), (24564, 26020)]