253035640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1493

約数の個数: 128

約数和(自身を含む): 690923520

約数和(自身を除く): 437887880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1427, 1430, 1612, 1705, 2015, 2728, 2854, 2860, 3224, 3410, 4030, 4433, 5708, 5720, 6820, 7135, 8060, 8866, 11416, 13640, 14270, 15697, 16120, 17732, 18551, 22165, 28540, 31394, 35464, 37102, 44237, 44330, 57080, 62788, 74204, 78485, 88474, 88660, 92755, 125576, 148408, 156970, 176948, 177320, 185510, 204061, 221185, 313940, 353896, 371020, 408122, 442370, 486607, 575081, 627880, 742040, 816244, 884740, 973214, 1020305, 1150162, 1632488, 1769480, 1946428, 2040610, 2300324, 2433035, 2875405, 3892856, 4081220, 4600648, 4866070, 5750810, 6325891, 8162440, 9732140, 11501620, 12651782, 19464280, 23003240, 25303564, 31629455, 50607128, 63258910, 126517820, 253035640]

約数ペア:

[(1, 253035640), (2, 126517820), (4, 63258910), (5, 50607128), (8, 31629455), (10, 25303564), (11, 23003240), (13, 19464280), (20, 12651782), (22, 11501620), (26, 9732140), (31, 8162440), (40, 6325891), (44, 5750810), (52, 4866070), (55, 4600648), (62, 4081220), (65, 3892856), (88, 2875405), (104, 2433035), (110, 2300324), (124, 2040610), (130, 1946428), (143, 1769480), (155, 1632488), (220, 1150162), (248, 1020305), (260, 973214), (286, 884740), (310, 816244), (341, 742040), (403, 627880), (440, 575081), (520, 486607), (572, 442370), (620, 408122), (682, 371020), (715, 353896), (806, 313940), (1144, 221185), (1240, 204061), (1364, 185510), (1427, 177320), (1430, 176948), (1612, 156970), (1705, 148408), (2015, 125576), (2728, 92755), (2854, 88660), (2860, 88474), (3224, 78485), (3410, 74204), (4030, 62788), (4433, 57080), (5708, 44330), (5720, 44237), (6820, 37102), (7135, 35464), (8060, 31394), (8866, 28540), (11416, 22165), (13640, 18551), (14270, 17732), (15697, 16120)]