15231920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 25479760

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, 911, 1045, 1520, 1672, 1822, 2090, 3344, 3644, 4180, 4555, 7288, 8360, 9110, 10021, 14576, 16720, 17309, 18220, 20042, 34618, 36440, 40084, 50105, 69236, 72880, 80168, 86545, 100210, 138472, 160336, 173090, 190399, 200420, 276944, 346180, 380798, 400840, 692360, 761596, 801680, 951995, 1384720, 1523192, 1903990, 3046384, 3807980, 7615960, 15231920]

約数ペア:

[(1, 15231920), (2, 7615960), (4, 3807980), (5, 3046384), (8, 1903990), (10, 1523192), (11, 1384720), (16, 951995), (19, 801680), (20, 761596), (22, 692360), (38, 400840), (40, 380798), (44, 346180), (55, 276944), (76, 200420), (80, 190399), (88, 173090), (95, 160336), (110, 138472), (152, 100210), (176, 86545), (190, 80168), (209, 72880), (220, 69236), (304, 50105), (380, 40084), (418, 36440), (440, 34618), (760, 20042), (836, 18220), (880, 17309), (911, 16720), (1045, 14576), (1520, 10021), (1672, 9110), (1822, 8360), (2090, 7288), (3344, 4555), (3644, 4180)]