72697780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 171188640

約数和(自身を除く): 98490860

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 73, 85, 101, 116, 145, 146, 170, 202, 290, 292, 340, 365, 404, 493, 505, 580, 730, 986, 1010, 1241, 1460, 1717, 1972, 2020, 2117, 2465, 2482, 2929, 3434, 4234, 4930, 4964, 5858, 6205, 6868, 7373, 8468, 8585, 9860, 10585, 11716, 12410, 14645, 14746, 17170, 21170, 24820, 29290, 29492, 34340, 35989, 36865, 42340, 49793, 58580, 71978, 73730, 99586, 125341, 143956, 147460, 179945, 199172, 213817, 248965, 250682, 359890, 427634, 497930, 501364, 626705, 719780, 855268, 995860, 1069085, 1253410, 2138170, 2506820, 3634889, 4276340, 7269778, 14539556, 18174445, 36348890, 72697780]

約数ペア:

[(1, 72697780), (2, 36348890), (4, 18174445), (5, 14539556), (10, 7269778), (17, 4276340), (20, 3634889), (29, 2506820), (34, 2138170), (58, 1253410), (68, 1069085), (73, 995860), (85, 855268), (101, 719780), (116, 626705), (145, 501364), (146, 497930), (170, 427634), (202, 359890), (290, 250682), (292, 248965), (340, 213817), (365, 199172), (404, 179945), (493, 147460), (505, 143956), (580, 125341), (730, 99586), (986, 73730), (1010, 71978), (1241, 58580), (1460, 49793), (1717, 42340), (1972, 36865), (2020, 35989), (2117, 34340), (2465, 29492), (2482, 29290), (2929, 24820), (3434, 21170), (4234, 17170), (4930, 14746), (4964, 14645), (5858, 12410), (6205, 11716), (6868, 10585), (7373, 9860), (8468, 8585)]