72756940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 172005120

約数和(自身を除く): 99248180

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 47, 58, 68, 85, 94, 116, 145, 157, 170, 188, 235, 290, 314, 340, 470, 493, 580, 628, 785, 799, 940, 986, 1363, 1570, 1598, 1972, 2465, 2669, 2726, 3140, 3196, 3995, 4553, 4930, 5338, 5452, 6815, 7379, 7990, 9106, 9860, 10676, 13345, 13630, 14758, 15980, 18212, 22765, 23171, 26690, 27260, 29516, 36895, 45530, 46342, 53380, 73790, 77401, 91060, 92684, 115855, 125443, 147580, 154802, 213991, 231710, 250886, 309604, 387005, 427982, 463420, 501772, 627215, 774010, 855964, 1069955, 1254430, 1548020, 2139910, 2508860, 3637847, 4279820, 7275694, 14551388, 18189235, 36378470, 72756940]

約数ペア:

[(1, 72756940), (2, 36378470), (4, 18189235), (5, 14551388), (10, 7275694), (17, 4279820), (20, 3637847), (29, 2508860), (34, 2139910), (47, 1548020), (58, 1254430), (68, 1069955), (85, 855964), (94, 774010), (116, 627215), (145, 501772), (157, 463420), (170, 427982), (188, 387005), (235, 309604), (290, 250886), (314, 231710), (340, 213991), (470, 154802), (493, 147580), (580, 125443), (628, 115855), (785, 92684), (799, 91060), (940, 77401), (986, 73790), (1363, 53380), (1570, 46342), (1598, 45530), (1972, 36895), (2465, 29516), (2669, 27260), (2726, 26690), (3140, 23171), (3196, 22765), (3995, 18212), (4553, 15980), (4930, 14758), (5338, 13630), (5452, 13345), (6815, 10676), (7379, 9860), (7990, 9106)]