250656640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 128

約数和(自身を含む): 660078720

約数和(自身を除く): 409422080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 188, 208, 235, 260, 320, 376, 416, 470, 520, 611, 640, 641, 752, 832, 940, 1040, 1222, 1282, 1504, 1664, 1880, 2080, 2444, 2564, 3008, 3055, 3205, 3760, 4160, 4888, 5128, 6016, 6110, 6410, 7520, 8320, 8333, 9776, 10256, 12220, 12820, 15040, 16666, 19552, 20512, 24440, 25640, 30080, 30127, 33332, 39104, 41024, 41665, 48880, 51280, 60254, 66664, 78208, 82048, 83330, 97760, 102560, 120508, 133328, 150635, 166660, 195520, 205120, 241016, 266656, 301270, 333320, 391040, 391651, 410240, 482032, 533312, 602540, 666640, 783302, 964064, 1066624, 1205080, 1333280, 1566604, 1928128, 1958255, 2410160, 2666560, 3133208, 3856256, 3916510, 4820320, 5333120, 6266416, 7833020, 9640640, 12532832, 15666040, 19281280, 25065664, 31332080, 50131328, 62664160, 125328320, 250656640]

約数ペア:

[(1, 250656640), (2, 125328320), (4, 62664160), (5, 50131328), (8, 31332080), (10, 25065664), (13, 19281280), (16, 15666040), (20, 12532832), (26, 9640640), (32, 7833020), (40, 6266416), (47, 5333120), (52, 4820320), (64, 3916510), (65, 3856256), (80, 3133208), (94, 2666560), (104, 2410160), (128, 1958255), (130, 1928128), (160, 1566604), (188, 1333280), (208, 1205080), (235, 1066624), (260, 964064), (320, 783302), (376, 666640), (416, 602540), (470, 533312), (520, 482032), (611, 410240), (640, 391651), (641, 391040), (752, 333320), (832, 301270), (940, 266656), (1040, 241016), (1222, 205120), (1282, 195520), (1504, 166660), (1664, 150635), (1880, 133328), (2080, 120508), (2444, 102560), (2564, 97760), (3008, 83330), (3055, 82048), (3205, 78208), (3760, 66664), (4160, 60254), (4888, 51280), (5128, 48880), (6016, 41665), (6110, 41024), (6410, 39104), (7520, 33332), (8320, 30127), (8333, 30080), (9776, 25640), (10256, 24440), (12220, 20512), (12820, 19552), (15040, 16666)]