71605600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 194987520

約数和(自身を除く): 123381920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 79, 80, 88, 100, 103, 110, 158, 160, 176, 200, 206, 220, 275, 316, 352, 395, 400, 412, 440, 515, 550, 632, 790, 800, 824, 869, 880, 1030, 1100, 1133, 1264, 1580, 1648, 1738, 1760, 1975, 2060, 2200, 2266, 2528, 2575, 3160, 3296, 3476, 3950, 4120, 4345, 4400, 4532, 5150, 5665, 6320, 6952, 7900, 8137, 8240, 8690, 8800, 9064, 10300, 11330, 12640, 13904, 15800, 16274, 16480, 17380, 18128, 20600, 21725, 22660, 27808, 28325, 31600, 32548, 34760, 36256, 40685, 41200, 43450, 45320, 56650, 63200, 65096, 69520, 81370, 82400, 86900, 89507, 90640, 113300, 130192, 139040, 162740, 173800, 179014, 181280, 203425, 226600, 260384, 325480, 347600, 358028, 406850, 447535, 453200, 650960, 695200, 716056, 813700, 895070, 906400, 1301920, 1432112, 1627400, 1790140, 2237675, 2864224, 3254800, 3580280, 4475350, 6509600, 7160560, 8950700, 14321120, 17901400, 35802800, 71605600]

約数ペア:

[(1, 71605600), (2, 35802800), (4, 17901400), (5, 14321120), (8, 8950700), (10, 7160560), (11, 6509600), (16, 4475350), (20, 3580280), (22, 3254800), (25, 2864224), (32, 2237675), (40, 1790140), (44, 1627400), (50, 1432112), (55, 1301920), (79, 906400), (80, 895070), (88, 813700), (100, 716056), (103, 695200), (110, 650960), (158, 453200), (160, 447535), (176, 406850), (200, 358028), (206, 347600), (220, 325480), (275, 260384), (316, 226600), (352, 203425), (395, 181280), (400, 179014), (412, 173800), (440, 162740), (515, 139040), (550, 130192), (632, 113300), (790, 90640), (800, 89507), (824, 86900), (869, 82400), (880, 81370), (1030, 69520), (1100, 65096), (1133, 63200), (1264, 56650), (1580, 45320), (1648, 43450), (1738, 41200), (1760, 40685), (1975, 36256), (2060, 34760), (2200, 32548), (2266, 31600), (2528, 28325), (2575, 27808), (3160, 22660), (3296, 21725), (3476, 20600), (3950, 18128), (4120, 17380), (4345, 16480), (4400, 16274), (4532, 15800), (5150, 13904), (5665, 12640), (6320, 11330), (6952, 10300), (7900, 9064), (8137, 8800), (8240, 8690)]