291249480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1091

約数の個数: 128

約数和(自身を含む): 927360000

約数和(自身を除く): 636110520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 139, 152, 190, 228, 278, 285, 380, 417, 456, 556, 570, 695, 760, 834, 919, 1112, 1140, 1390, 1668, 1838, 2085, 2280, 2641, 2757, 2780, 3336, 3676, 4170, 4595, 5282, 5514, 5560, 7352, 7923, 8340, 9190, 10564, 11028, 13205, 13785, 15846, 16680, 17461, 18380, 21128, 22056, 26410, 27570, 31692, 34922, 36760, 39615, 52383, 52820, 55140, 63384, 69844, 79230, 87305, 104766, 105640, 110280, 127741, 139688, 158460, 174610, 209532, 255482, 261915, 316920, 349220, 383223, 419064, 510964, 523830, 638705, 698440, 766446, 1021928, 1047660, 1277410, 1532892, 1916115, 2095320, 2427079, 2554820, 3065784, 3832230, 4854158, 5109640, 7281237, 7664460, 9708316, 12135395, 14562474, 15328920, 19416632, 24270790, 29124948, 36406185, 48541580, 58249896, 72812370, 97083160, 145624740, 291249480]

約数ペア:

[(1, 291249480), (2, 145624740), (3, 97083160), (4, 72812370), (5, 58249896), (6, 48541580), (8, 36406185), (10, 29124948), (12, 24270790), (15, 19416632), (19, 15328920), (20, 14562474), (24, 12135395), (30, 9708316), (38, 7664460), (40, 7281237), (57, 5109640), (60, 4854158), (76, 3832230), (95, 3065784), (114, 2554820), (120, 2427079), (139, 2095320), (152, 1916115), (190, 1532892), (228, 1277410), (278, 1047660), (285, 1021928), (380, 766446), (417, 698440), (456, 638705), (556, 523830), (570, 510964), (695, 419064), (760, 383223), (834, 349220), (919, 316920), (1112, 261915), (1140, 255482), (1390, 209532), (1668, 174610), (1838, 158460), (2085, 139688), (2280, 127741), (2641, 110280), (2757, 105640), (2780, 104766), (3336, 87305), (3676, 79230), (4170, 69844), (4595, 63384), (5282, 55140), (5514, 52820), (5560, 52383), (7352, 39615), (7923, 36760), (8340, 34922), (9190, 31692), (10564, 27570), (11028, 26410), (13205, 22056), (13785, 21128), (15846, 18380), (16680, 17461)]