72181968

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 193945920

約数和(自身を除く): 121763952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 97, 111, 148, 194, 222, 291, 296, 388, 419, 444, 582, 592, 776, 838, 888, 1164, 1257, 1552, 1676, 1776, 2328, 2514, 3352, 3589, 4656, 5028, 6704, 7178, 10056, 10767, 14356, 15503, 20112, 21534, 28712, 31006, 40643, 43068, 46509, 57424, 62012, 81286, 86136, 93018, 121929, 124024, 162572, 172272, 186036, 243858, 248048, 325144, 372072, 487716, 650288, 744144, 975432, 1503791, 1950864, 3007582, 4511373, 6015164, 9022746, 12030328, 18045492, 24060656, 36090984, 72181968]

約数ペア:

[(1, 72181968), (2, 36090984), (3, 24060656), (4, 18045492), (6, 12030328), (8, 9022746), (12, 6015164), (16, 4511373), (24, 3007582), (37, 1950864), (48, 1503791), (74, 975432), (97, 744144), (111, 650288), (148, 487716), (194, 372072), (222, 325144), (291, 248048), (296, 243858), (388, 186036), (419, 172272), (444, 162572), (582, 124024), (592, 121929), (776, 93018), (838, 86136), (888, 81286), (1164, 62012), (1257, 57424), (1552, 46509), (1676, 43068), (1776, 40643), (2328, 31006), (2514, 28712), (3352, 21534), (3589, 20112), (4656, 15503), (5028, 14356), (6704, 10767), (7178, 10056)]