71318280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 236234880

約数和(自身を除く): 164916600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 220, 264, 291, 330, 388, 440, 485, 557, 582, 660, 776, 970, 1067, 1114, 1164, 1320, 1455, 1671, 1940, 2134, 2228, 2328, 2785, 2910, 3201, 3342, 3880, 4268, 4456, 5335, 5570, 5820, 6127, 6402, 6684, 8355, 8536, 10670, 11140, 11640, 12254, 12804, 13368, 16005, 16710, 18381, 21340, 22280, 24508, 25608, 30635, 32010, 33420, 36762, 42680, 49016, 54029, 61270, 64020, 66840, 73524, 91905, 108058, 122540, 128040, 147048, 162087, 183810, 216116, 245080, 270145, 324174, 367620, 432232, 540290, 594319, 648348, 735240, 810435, 1080580, 1188638, 1296696, 1620870, 1782957, 2161160, 2377276, 2971595, 3241740, 3565914, 4754552, 5943190, 6483480, 7131828, 8914785, 11886380, 14263656, 17829570, 23772760, 35659140, 71318280]

約数ペア:

[(1, 71318280), (2, 35659140), (3, 23772760), (4, 17829570), (5, 14263656), (6, 11886380), (8, 8914785), (10, 7131828), (11, 6483480), (12, 5943190), (15, 4754552), (20, 3565914), (22, 3241740), (24, 2971595), (30, 2377276), (33, 2161160), (40, 1782957), (44, 1620870), (55, 1296696), (60, 1188638), (66, 1080580), (88, 810435), (97, 735240), (110, 648348), (120, 594319), (132, 540290), (165, 432232), (194, 367620), (220, 324174), (264, 270145), (291, 245080), (330, 216116), (388, 183810), (440, 162087), (485, 147048), (557, 128040), (582, 122540), (660, 108058), (776, 91905), (970, 73524), (1067, 66840), (1114, 64020), (1164, 61270), (1320, 54029), (1455, 49016), (1671, 42680), (1940, 36762), (2134, 33420), (2228, 32010), (2328, 30635), (2785, 25608), (2910, 24508), (3201, 22280), (3342, 21340), (3880, 18381), (4268, 16710), (4456, 16005), (5335, 13368), (5570, 12804), (5820, 12254), (6127, 11640), (6402, 11140), (6684, 10670), (8355, 8536)]