71023480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 185794560

約数和(自身を除く): 114771080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 41, 44, 55, 62, 82, 88, 110, 124, 127, 155, 164, 205, 220, 248, 254, 310, 328, 341, 410, 440, 451, 508, 620, 635, 682, 820, 902, 1016, 1240, 1270, 1271, 1364, 1397, 1640, 1705, 1804, 2255, 2540, 2542, 2728, 2794, 3410, 3608, 3937, 4510, 5080, 5084, 5207, 5588, 6355, 6820, 6985, 7874, 9020, 10168, 10414, 11176, 12710, 13640, 13970, 13981, 15748, 18040, 19685, 20828, 25420, 26035, 27940, 27962, 31496, 39370, 41656, 43307, 50840, 52070, 55880, 55924, 57277, 69905, 78740, 86614, 104140, 111848, 114554, 139810, 157480, 161417, 173228, 208280, 216535, 229108, 279620, 286385, 322834, 346456, 433070, 458216, 559240, 572770, 645668, 807085, 866140, 1145540, 1291336, 1614170, 1732280, 1775587, 2291080, 3228340, 3551174, 6456680, 7102348, 8877935, 14204696, 17755870, 35511740, 71023480]

約数ペア:

[(1, 71023480), (2, 35511740), (4, 17755870), (5, 14204696), (8, 8877935), (10, 7102348), (11, 6456680), (20, 3551174), (22, 3228340), (31, 2291080), (40, 1775587), (41, 1732280), (44, 1614170), (55, 1291336), (62, 1145540), (82, 866140), (88, 807085), (110, 645668), (124, 572770), (127, 559240), (155, 458216), (164, 433070), (205, 346456), (220, 322834), (248, 286385), (254, 279620), (310, 229108), (328, 216535), (341, 208280), (410, 173228), (440, 161417), (451, 157480), (508, 139810), (620, 114554), (635, 111848), (682, 104140), (820, 86614), (902, 78740), (1016, 69905), (1240, 57277), (1270, 55924), (1271, 55880), (1364, 52070), (1397, 50840), (1640, 43307), (1705, 41656), (1804, 39370), (2255, 31496), (2540, 27962), (2542, 27940), (2728, 26035), (2794, 25420), (3410, 20828), (3608, 19685), (3937, 18040), (4510, 15748), (5080, 13981), (5084, 13970), (5207, 13640), (5588, 12710), (6355, 11176), (6820, 10414), (6985, 10168), (7874, 9020)]