145367680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 380712960

約数和(自身を除く): 235345280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 431, 496, 527, 544, 620, 640, 680, 862, 992, 1054, 1088, 1240, 1360, 1724, 1984, 2108, 2155, 2176, 2480, 2635, 2720, 3448, 3968, 4216, 4310, 4960, 5270, 5440, 6896, 7327, 8432, 8620, 9920, 10540, 10880, 13361, 13792, 14654, 16864, 17240, 19840, 21080, 26722, 27584, 29308, 33728, 34480, 36635, 42160, 53444, 55168, 58616, 66805, 67456, 68960, 73270, 84320, 106888, 117232, 133610, 137920, 146540, 168640, 213776, 227137, 234464, 267220, 275840, 293080, 337280, 427552, 454274, 468928, 534440, 586160, 855104, 908548, 937856, 1068880, 1135685, 1172320, 1710208, 1817096, 2137760, 2271370, 2344640, 3634192, 4275520, 4542740, 4689280, 7268384, 8551040, 9085480, 14536768, 18170960, 29073536, 36341920, 72683840, 145367680]

約数ペア:

[(1, 145367680), (2, 72683840), (4, 36341920), (5, 29073536), (8, 18170960), (10, 14536768), (16, 9085480), (17, 8551040), (20, 7268384), (31, 4689280), (32, 4542740), (34, 4275520), (40, 3634192), (62, 2344640), (64, 2271370), (68, 2137760), (80, 1817096), (85, 1710208), (124, 1172320), (128, 1135685), (136, 1068880), (155, 937856), (160, 908548), (170, 855104), (248, 586160), (272, 534440), (310, 468928), (320, 454274), (340, 427552), (431, 337280), (496, 293080), (527, 275840), (544, 267220), (620, 234464), (640, 227137), (680, 213776), (862, 168640), (992, 146540), (1054, 137920), (1088, 133610), (1240, 117232), (1360, 106888), (1724, 84320), (1984, 73270), (2108, 68960), (2155, 67456), (2176, 66805), (2480, 58616), (2635, 55168), (2720, 53444), (3448, 42160), (3968, 36635), (4216, 34480), (4310, 33728), (4960, 29308), (5270, 27584), (5440, 26722), (6896, 21080), (7327, 19840), (8432, 17240), (8620, 16864), (9920, 14654), (10540, 13792), (10880, 13361)]