68000640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 219438720

約数和(自身を除く): 151438080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 320, 321, 331, 384, 428, 480, 535, 640, 642, 662, 856, 960, 993, 1070, 1284, 1324, 1605, 1655, 1712, 1920, 1986, 2140, 2568, 2648, 3210, 3310, 3424, 3972, 4280, 4965, 5136, 5296, 6420, 6620, 6848, 7944, 8560, 9930, 10272, 10592, 12840, 13240, 13696, 15888, 17120, 19860, 20544, 21184, 25680, 26480, 31776, 34240, 35417, 39720, 41088, 42368, 51360, 52960, 63552, 68480, 70834, 79440, 102720, 105920, 106251, 127104, 141668, 158880, 177085, 205440, 211840, 212502, 283336, 317760, 354170, 425004, 531255, 566672, 635520, 708340, 850008, 1062510, 1133344, 1416680, 1700016, 2125020, 2266688, 2833360, 3400032, 4250040, 4533376, 5666720, 6800064, 8500080, 11333440, 13600128, 17000160, 22666880, 34000320, 68000640]

約数ペア:

[(1, 68000640), (2, 34000320), (3, 22666880), (4, 17000160), (5, 13600128), (6, 11333440), (8, 8500080), (10, 6800064), (12, 5666720), (15, 4533376), (16, 4250040), (20, 3400032), (24, 2833360), (30, 2266688), (32, 2125020), (40, 1700016), (48, 1416680), (60, 1133344), (64, 1062510), (80, 850008), (96, 708340), (107, 635520), (120, 566672), (128, 531255), (160, 425004), (192, 354170), (214, 317760), (240, 283336), (320, 212502), (321, 211840), (331, 205440), (384, 177085), (428, 158880), (480, 141668), (535, 127104), (640, 106251), (642, 105920), (662, 102720), (856, 79440), (960, 70834), (993, 68480), (1070, 63552), (1284, 52960), (1324, 51360), (1605, 42368), (1655, 41088), (1712, 39720), (1920, 35417), (1986, 34240), (2140, 31776), (2568, 26480), (2648, 25680), (3210, 21184), (3310, 20544), (3424, 19860), (3972, 17120), (4280, 15888), (4965, 13696), (5136, 13240), (5296, 12840), (6420, 10592), (6620, 10272), (6848, 9930), (7944, 8560)]