205027520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 112

約数和(自身を含む): 516818880

約数和(自身を除く): 311791360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 160, 178, 184, 230, 313, 320, 356, 368, 445, 460, 626, 712, 736, 890, 920, 1252, 1424, 1472, 1565, 1780, 1840, 2047, 2504, 2848, 3130, 3560, 3680, 4094, 5008, 5696, 6260, 7120, 7199, 7360, 8188, 10016, 10235, 12520, 14240, 14398, 16376, 20032, 20470, 25040, 27857, 28480, 28796, 32752, 35995, 40940, 50080, 55714, 57592, 65504, 71990, 81880, 100160, 111428, 115184, 131008, 139285, 143980, 163760, 222856, 230368, 278570, 287960, 327520, 445712, 460736, 557140, 575920, 640711, 655040, 891424, 1114280, 1151840, 1281422, 1782848, 2228560, 2303680, 2562844, 3203555, 4457120, 5125688, 6407110, 8914240, 10251376, 12814220, 20502752, 25628440, 41005504, 51256880, 102513760, 205027520]

約数ペア:

[(1, 205027520), (2, 102513760), (4, 51256880), (5, 41005504), (8, 25628440), (10, 20502752), (16, 12814220), (20, 10251376), (23, 8914240), (32, 6407110), (40, 5125688), (46, 4457120), (64, 3203555), (80, 2562844), (89, 2303680), (92, 2228560), (115, 1782848), (160, 1281422), (178, 1151840), (184, 1114280), (230, 891424), (313, 655040), (320, 640711), (356, 575920), (368, 557140), (445, 460736), (460, 445712), (626, 327520), (712, 287960), (736, 278570), (890, 230368), (920, 222856), (1252, 163760), (1424, 143980), (1472, 139285), (1565, 131008), (1780, 115184), (1840, 111428), (2047, 100160), (2504, 81880), (2848, 71990), (3130, 65504), (3560, 57592), (3680, 55714), (4094, 50080), (5008, 40940), (5696, 35995), (6260, 32752), (7120, 28796), (7199, 28480), (7360, 27857), (8188, 25040), (10016, 20470), (10235, 20032), (12520, 16376), (14240, 14398)]