66385280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 174787200

約数和(自身を除く): 108401920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 101, 104, 128, 130, 158, 160, 202, 208, 260, 316, 320, 395, 404, 416, 505, 520, 632, 640, 790, 808, 832, 1010, 1027, 1040, 1264, 1313, 1580, 1616, 1664, 2020, 2054, 2080, 2528, 2626, 3160, 3232, 4040, 4108, 4160, 5056, 5135, 5252, 6320, 6464, 6565, 7979, 8080, 8216, 8320, 10112, 10270, 10504, 12640, 12928, 13130, 15958, 16160, 16432, 20540, 21008, 25280, 26260, 31916, 32320, 32864, 39895, 41080, 42016, 50560, 52520, 63832, 64640, 65728, 79790, 82160, 84032, 103727, 105040, 127664, 131456, 159580, 164320, 168064, 207454, 210080, 255328, 319160, 328640, 414908, 420160, 510656, 518635, 638320, 657280, 829816, 840320, 1021312, 1037270, 1276640, 1659632, 2074540, 2553280, 3319264, 4149080, 5106560, 6638528, 8298160, 13277056, 16596320, 33192640, 66385280]

約数ペア:

[(1, 66385280), (2, 33192640), (4, 16596320), (5, 13277056), (8, 8298160), (10, 6638528), (13, 5106560), (16, 4149080), (20, 3319264), (26, 2553280), (32, 2074540), (40, 1659632), (52, 1276640), (64, 1037270), (65, 1021312), (79, 840320), (80, 829816), (101, 657280), (104, 638320), (128, 518635), (130, 510656), (158, 420160), (160, 414908), (202, 328640), (208, 319160), (260, 255328), (316, 210080), (320, 207454), (395, 168064), (404, 164320), (416, 159580), (505, 131456), (520, 127664), (632, 105040), (640, 103727), (790, 84032), (808, 82160), (832, 79790), (1010, 65728), (1027, 64640), (1040, 63832), (1264, 52520), (1313, 50560), (1580, 42016), (1616, 41080), (1664, 39895), (2020, 32864), (2054, 32320), (2080, 31916), (2528, 26260), (2626, 25280), (3160, 21008), (3232, 20540), (4040, 16432), (4108, 16160), (4160, 15958), (5056, 13130), (5135, 12928), (5252, 12640), (6320, 10504), (6464, 10270), (6565, 10112), (7979, 8320), (8080, 8216)]