280751280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 897466368

約数和(自身を除く): 616715088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 127, 151, 183, 240, 244, 254, 302, 305, 366, 381, 453, 488, 508, 604, 610, 635, 732, 755, 762, 906, 915, 976, 1016, 1208, 1220, 1270, 1464, 1510, 1524, 1812, 1830, 1905, 2032, 2265, 2416, 2440, 2540, 2928, 3020, 3048, 3624, 3660, 3810, 4530, 4880, 5080, 6040, 6096, 7248, 7320, 7620, 7747, 9060, 9211, 10160, 12080, 14640, 15240, 15494, 18120, 18422, 19177, 23241, 27633, 30480, 30988, 36240, 36844, 38354, 38735, 46055, 46482, 55266, 57531, 61976, 73688, 76708, 77470, 92110, 92964, 95885, 110532, 115062, 116205, 123952, 138165, 147376, 153416, 154940, 184220, 185928, 191770, 221064, 230124, 232410, 276330, 287655, 306832, 309880, 368440, 371856, 383540, 442128, 460248, 464820, 552660, 575310, 619760, 736880, 767080, 920496, 929640, 1105320, 1150620, 1169797, 1534160, 1859280, 2210640, 2301240, 2339594, 3509391, 4602480, 4679188, 5848985, 7018782, 9358376, 11697970, 14037564, 17546955, 18716752, 23395940, 28075128, 35093910, 46791880, 56150256, 70187820, 93583760, 140375640, 280751280]

約数ペア:

[(1, 280751280), (2, 140375640), (3, 93583760), (4, 70187820), (5, 56150256), (6, 46791880), (8, 35093910), (10, 28075128), (12, 23395940), (15, 18716752), (16, 17546955), (20, 14037564), (24, 11697970), (30, 9358376), (40, 7018782), (48, 5848985), (60, 4679188), (61, 4602480), (80, 3509391), (120, 2339594), (122, 2301240), (127, 2210640), (151, 1859280), (183, 1534160), (240, 1169797), (244, 1150620), (254, 1105320), (302, 929640), (305, 920496), (366, 767080), (381, 736880), (453, 619760), (488, 575310), (508, 552660), (604, 464820), (610, 460248), (635, 442128), (732, 383540), (755, 371856), (762, 368440), (906, 309880), (915, 306832), (976, 287655), (1016, 276330), (1208, 232410), (1220, 230124), (1270, 221064), (1464, 191770), (1510, 185928), (1524, 184220), (1812, 154940), (1830, 153416), (1905, 147376), (2032, 138165), (2265, 123952), (2416, 116205), (2440, 115062), (2540, 110532), (2928, 95885), (3020, 92964), (3048, 92110), (3624, 77470), (3660, 76708), (3810, 73688), (4530, 61976), (4880, 57531), (5080, 55266), (6040, 46482), (6096, 46055), (7248, 38735), (7320, 38354), (7620, 36844), (7747, 36240), (9060, 30988), (9211, 30480), (10160, 27633), (12080, 23241), (14640, 19177), (15240, 18422), (15494, 18120)]