27905680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1712

約数の個数: 80

約数和(自身を含む): 74548800

約数和(自身を除く): 46643120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1669, 1672, 2090, 3338, 3344, 4180, 6676, 8345, 8360, 13352, 16690, 16720, 18359, 26704, 31711, 33380, 36718, 63422, 66760, 73436, 91795, 126844, 133520, 146872, 158555, 183590, 253688, 293744, 317110, 348821, 367180, 507376, 634220, 697642, 734360, 1268440, 1395284, 1468720, 1744105, 2536880, 2790568, 3488210, 5581136, 6976420, 13952840, 27905680]

約数ペア:

[(1, 27905680), (2, 13952840), (4, 6976420), (5, 5581136), (8, 3488210), (10, 2790568), (11, 2536880), (16, 1744105), (19, 1468720), (20, 1395284), (22, 1268440), (38, 734360), (40, 697642), (44, 634220), (55, 507376), (76, 367180), (80, 348821), (88, 317110), (95, 293744), (110, 253688), (152, 183590), (176, 158555), (190, 146872), (209, 133520), (220, 126844), (304, 91795), (380, 73436), (418, 66760), (440, 63422), (760, 36718), (836, 33380), (880, 31711), (1045, 26704), (1520, 18359), (1669, 16720), (1672, 16690), (2090, 13352), (3338, 8360), (3344, 8345), (4180, 6676)]