87845120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 243710208

約数和(自身を除く): 155865088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 256, 272, 320, 340, 352, 367, 374, 440, 544, 640, 680, 704, 734, 748, 880, 935, 1088, 1280, 1360, 1408, 1468, 1496, 1760, 1835, 1870, 2176, 2720, 2816, 2936, 2992, 3520, 3670, 3740, 4037, 4352, 5440, 5872, 5984, 6239, 7040, 7340, 7480, 8074, 10880, 11744, 11968, 12478, 14080, 14680, 14960, 16148, 20185, 21760, 23488, 23936, 24956, 29360, 29920, 31195, 32296, 40370, 46976, 47872, 49912, 58720, 59840, 62390, 64592, 68629, 80740, 93952, 99824, 117440, 119680, 124780, 129184, 137258, 161480, 199648, 234880, 239360, 249560, 258368, 274516, 322960, 343145, 399296, 469760, 499120, 516736, 549032, 645920, 686290, 798592, 998240, 1033472, 1098064, 1291840, 1372580, 1597184, 1996480, 2196128, 2583680, 2745160, 3992960, 4392256, 5167360, 5490320, 7985920, 8784512, 10980640, 17569024, 21961280, 43922560, 87845120]

約数ペア:

[(1, 87845120), (2, 43922560), (4, 21961280), (5, 17569024), (8, 10980640), (10, 8784512), (11, 7985920), (16, 5490320), (17, 5167360), (20, 4392256), (22, 3992960), (32, 2745160), (34, 2583680), (40, 2196128), (44, 1996480), (55, 1597184), (64, 1372580), (68, 1291840), (80, 1098064), (85, 1033472), (88, 998240), (110, 798592), (128, 686290), (136, 645920), (160, 549032), (170, 516736), (176, 499120), (187, 469760), (220, 399296), (256, 343145), (272, 322960), (320, 274516), (340, 258368), (352, 249560), (367, 239360), (374, 234880), (440, 199648), (544, 161480), (640, 137258), (680, 129184), (704, 124780), (734, 119680), (748, 117440), (880, 99824), (935, 93952), (1088, 80740), (1280, 68629), (1360, 64592), (1408, 62390), (1468, 59840), (1496, 58720), (1760, 49912), (1835, 47872), (1870, 46976), (2176, 40370), (2720, 32296), (2816, 31195), (2936, 29920), (2992, 29360), (3520, 24956), (3670, 23936), (3740, 23488), (4037, 21760), (4352, 20185), (5440, 16148), (5872, 14960), (5984, 14680), (6239, 14080), (7040, 12478), (7340, 11968), (7480, 11744), (8074, 10880)]