656813520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:810

約数の個数: 240

約数和(自身を含む): 2428987392

約数和(自身を除く): 1772173872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 127, 132, 144, 165, 176, 180, 198, 220, 240, 254, 264, 330, 360, 381, 396, 440, 495, 508, 528, 635, 653, 660, 720, 762, 792, 880, 990, 1016, 1143, 1270, 1306, 1320, 1397, 1524, 1584, 1905, 1959, 1980, 2032, 2286, 2540, 2612, 2640, 2794, 3048, 3265, 3810, 3918, 3960, 4191, 4572, 5080, 5224, 5588, 5715, 5877, 6096, 6530, 6985, 7183, 7620, 7836, 7920, 8382, 9144, 9795, 10160, 10448, 11176, 11430, 11754, 12573, 13060, 13970, 14366, 15240, 15672, 16764, 18288, 19590, 20955, 21549, 22352, 22860, 23508, 25146, 26120, 27940, 28732, 29385, 30480, 31344, 33528, 35915, 39180, 41910, 43098, 45720, 47016, 50292, 52240, 55880, 57464, 58770, 62865, 64647, 67056, 71830, 78360, 82931, 83820, 86196, 91440, 94032, 100584, 107745, 111760, 114928, 117540, 125730, 129294, 143660, 156720, 165862, 167640, 172392, 201168, 215490, 235080, 248793, 251460, 258588, 287320, 323235, 331724, 335280, 344784, 414655, 430980, 470160, 497586, 502920, 517176, 574640, 646470, 663448, 746379, 829310, 861960, 912241, 995172, 1005840, 1034352, 1243965, 1292940, 1326896, 1492758, 1658620, 1723920, 1824482, 1990344, 2487930, 2585880, 2736723, 2985516, 3317240, 3648964, 3731895, 3980688, 4561205, 4975860, 5171760, 5473446, 5971032, 6634480, 7297928, 7463790, 8210169, 9122410, 9951720, 10946892, 11942064, 13683615, 14595856, 14927580, 16420338, 18244820, 19903440, 21893784, 27367230, 29855160, 32840676, 36489640, 41050845, 43787568, 54734460, 59710320, 65681352, 72979280, 82101690, 109468920, 131362704, 164203380, 218937840, 328406760, 656813520]

約数ペア:

[(1, 656813520), (2, 328406760), (3, 218937840), (4, 164203380), (5, 131362704), (6, 109468920), (8, 82101690), (9, 72979280), (10, 65681352), (11, 59710320), (12, 54734460), (15, 43787568), (16, 41050845), (18, 36489640), (20, 32840676), (22, 29855160), (24, 27367230), (30, 21893784), (33, 19903440), (36, 18244820), (40, 16420338), (44, 14927580), (45, 14595856), (48, 13683615), (55, 11942064), (60, 10946892), (66, 9951720), (72, 9122410), (80, 8210169), (88, 7463790), (90, 7297928), (99, 6634480), (110, 5971032), (120, 5473446), (127, 5171760), (132, 4975860), (144, 4561205), (165, 3980688), (176, 3731895), (180, 3648964), (198, 3317240), (220, 2985516), (240, 2736723), (254, 2585880), (264, 2487930), (330, 1990344), (360, 1824482), (381, 1723920), (396, 1658620), (440, 1492758), (495, 1326896), (508, 1292940), (528, 1243965), (635, 1034352), (653, 1005840), (660, 995172), (720, 912241), (762, 861960), (792, 829310), (880, 746379), (990, 663448), (1016, 646470), (1143, 574640), (1270, 517176), (1306, 502920), (1320, 497586), (1397, 470160), (1524, 430980), (1584, 414655), (1905, 344784), (1959, 335280), (1980, 331724), (2032, 323235), (2286, 287320), (2540, 258588), (2612, 251460), (2640, 248793), (2794, 235080), (3048, 215490), (3265, 201168), (3810, 172392), (3918, 167640), (3960, 165862), (4191, 156720), (4572, 143660), (5080, 129294), (5224, 125730), (5588, 117540), (5715, 114928), (5877, 111760), (6096, 107745), (6530, 100584), (6985, 94032), (7183, 91440), (7620, 86196), (7836, 83820), (7920, 82931), (8382, 78360), (9144, 71830), (9795, 67056), (10160, 64647), (10448, 62865), (11176, 58770), (11430, 57464), (11754, 55880), (12573, 52240), (13060, 50292), (13970, 47016), (14366, 45720), (15240, 43098), (15672, 41910), (16764, 39180), (18288, 35915), (19590, 33528), (20955, 31344), (21549, 30480), (22352, 29385), (22860, 28732), (23508, 27940), (25146, 26120)]