1387760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:126

約数の個数: 80

約数和(自身を含む): 3749760

約数和(自身を除く): 2362000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 83, 88, 95, 110, 152, 166, 176, 190, 209, 220, 304, 332, 380, 415, 418, 440, 664, 760, 830, 836, 880, 913, 1045, 1328, 1520, 1577, 1660, 1672, 1826, 2090, 3154, 3320, 3344, 3652, 4180, 4565, 6308, 6640, 7304, 7885, 8360, 9130, 12616, 14608, 15770, 16720, 17347, 18260, 25232, 31540, 34694, 36520, 63080, 69388, 73040, 86735, 126160, 138776, 173470, 277552, 346940, 693880, 1387760]

約数ペア:

[(1, 1387760), (2, 693880), (4, 346940), (5, 277552), (8, 173470), (10, 138776), (11, 126160), (16, 86735), (19, 73040), (20, 69388), (22, 63080), (38, 36520), (40, 34694), (44, 31540), (55, 25232), (76, 18260), (80, 17347), (83, 16720), (88, 15770), (95, 14608), (110, 12616), (152, 9130), (166, 8360), (176, 7885), (190, 7304), (209, 6640), (220, 6308), (304, 4565), (332, 4180), (380, 3652), (415, 3344), (418, 3320), (440, 3154), (664, 2090), (760, 1826), (830, 1672), (836, 1660), (880, 1577), (913, 1520), (1045, 1328)]