257029394560

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{46639}}^1$

素因数の和:46846

約数の個数: 128

約数和(自身を含む): 627960960000

約数和(自身を除く): 370931565440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 109, 128, 158, 160, 218, 316, 320, 395, 436, 545, 632, 640, 790, 872, 1090, 1264, 1580, 1744, 2180, 2528, 3160, 3488, 4360, 5056, 6320, 6976, 8611, 8720, 10112, 12640, 13952, 17222, 17440, 25280, 34444, 34880, 43055, 46639, 50560, 68888, 69760, 86110, 93278, 137776, 172220, 186556, 233195, 275552, 344440, 373112, 466390, 551104, 688880, 746224, 932780, 1102208, 1377760, 1492448, 1865560, 2755520, 2984896, 3684481, 3731120, 5083651, 5511040, 5969792, 7368962, 7462240, 10167302, 14737924, 14924480, 18422405, 20334604, 25418255, 29475848, 29848960, 36844810, 40669208, 50836510, 58951696, 73689620, 81338416, 101673020, 117903392, 147379240, 162676832, 203346040, 235806784, 294758480, 325353664, 401608429, 406692080, 471613568, 589516960, 650707328, 803216858, 813384160, 1179033920, 1606433716, 1626768320, 2008042145, 2358067840, 3212867432, 3253536640, 4016084290, 6425734864, 8032168580, 12851469728, 16064337160, 25702939456, 32128674320, 51405878912, 64257348640, 128514697280, 257029394560]

約数ペア:

[(1, 257029394560), (2, 128514697280), (4, 64257348640), (5, 51405878912), (8, 32128674320), (10, 25702939456), (16, 16064337160), (20, 12851469728), (32, 8032168580), (40, 6425734864), (64, 4016084290), (79, 3253536640), (80, 3212867432), (109, 2358067840), (128, 2008042145), (158, 1626768320), (160, 1606433716), (218, 1179033920), (316, 813384160), (320, 803216858), (395, 650707328), (436, 589516960), (545, 471613568), (632, 406692080), (640, 401608429), (790, 325353664), (872, 294758480), (1090, 235806784), (1264, 203346040), (1580, 162676832), (1744, 147379240), (2180, 117903392), (2528, 101673020), (3160, 81338416), (3488, 73689620), (4360, 58951696), (5056, 50836510), (6320, 40669208), (6976, 36844810), (8611, 29848960), (8720, 29475848), (10112, 25418255), (12640, 20334604), (13952, 18422405), (17222, 14924480), (17440, 14737924), (25280, 10167302), (34444, 7462240), (34880, 7368962), (43055, 5969792), (46639, 5511040), (50560, 5083651), (68888, 3731120), (69760, 3684481), (86110, 2984896), (93278, 2755520), (137776, 1865560), (172220, 1492448), (186556, 1377760), (233195, 1102208), (275552, 932780), (344440, 746224), (373112, 688880), (466390, 551104)]