51473240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 93678760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 179, 182, 260, 280, 316, 358, 364, 395, 455, 520, 553, 632, 716, 728, 790, 895, 910, 1027, 1106, 1253, 1432, 1580, 1790, 1820, 2054, 2212, 2327, 2506, 2765, 3160, 3580, 3640, 4108, 4424, 4654, 5012, 5135, 5530, 6265, 7160, 7189, 8216, 9308, 10024, 10270, 11060, 11635, 12530, 14141, 14378, 16289, 18616, 20540, 22120, 23270, 25060, 28282, 28756, 32578, 35945, 41080, 46540, 50120, 56564, 57512, 65156, 70705, 71890, 81445, 93080, 98987, 113128, 130312, 141410, 143780, 162890, 183833, 197974, 282820, 287560, 325780, 367666, 395948, 494935, 565640, 651560, 735332, 791896, 919165, 989870, 1286831, 1470664, 1838330, 1979740, 2573662, 3676660, 3959480, 5147324, 6434155, 7353320, 10294648, 12868310, 25736620, 51473240]

約数ペア:

[(1, 51473240), (2, 25736620), (4, 12868310), (5, 10294648), (7, 7353320), (8, 6434155), (10, 5147324), (13, 3959480), (14, 3676660), (20, 2573662), (26, 1979740), (28, 1838330), (35, 1470664), (40, 1286831), (52, 989870), (56, 919165), (65, 791896), (70, 735332), (79, 651560), (91, 565640), (104, 494935), (130, 395948), (140, 367666), (158, 325780), (179, 287560), (182, 282820), (260, 197974), (280, 183833), (316, 162890), (358, 143780), (364, 141410), (395, 130312), (455, 113128), (520, 98987), (553, 93080), (632, 81445), (716, 71890), (728, 70705), (790, 65156), (895, 57512), (910, 56564), (1027, 50120), (1106, 46540), (1253, 41080), (1432, 35945), (1580, 32578), (1790, 28756), (1820, 28282), (2054, 25060), (2212, 23270), (2327, 22120), (2506, 20540), (2765, 18616), (3160, 16289), (3580, 14378), (3640, 14141), (4108, 12530), (4424, 11635), (4654, 11060), (5012, 10270), (5135, 10024), (5530, 9308), (6265, 8216), (7160, 7189)]