7707920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 20623680

約数和(自身を除く): 12915760

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, 461, 760, 836, 880, 922, 1045, 1520, 1672, 1844, 2090, 2305, 3344, 3688, 4180, 4610, 5071, 7376, 8360, 8759, 9220, 10142, 16720, 17518, 18440, 20284, 25355, 35036, 36880, 40568, 43795, 50710, 70072, 81136, 87590, 96349, 101420, 140144, 175180, 192698, 202840, 350360, 385396, 405680, 481745, 700720, 770792, 963490, 1541584, 1926980, 3853960, 7707920]

約数ペア:

[(1, 7707920), (2, 3853960), (4, 1926980), (5, 1541584), (8, 963490), (10, 770792), (11, 700720), (16, 481745), (19, 405680), (20, 385396), (22, 350360), (38, 202840), (40, 192698), (44, 175180), (55, 140144), (76, 101420), (80, 96349), (88, 87590), (95, 81136), (110, 70072), (152, 50710), (176, 43795), (190, 40568), (209, 36880), (220, 35036), (304, 25355), (380, 20284), (418, 18440), (440, 17518), (461, 16720), (760, 10142), (836, 9220), (880, 8759), (922, 8360), (1045, 7376), (1520, 5071), (1672, 4610), (1844, 4180), (2090, 3688), (2305, 3344)]