9957640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 28926720

約数和(自身を除く): 18969080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 61, 70, 77, 88, 106, 110, 122, 140, 154, 212, 220, 244, 265, 280, 305, 308, 371, 385, 424, 427, 440, 488, 530, 583, 610, 616, 671, 742, 770, 854, 1060, 1166, 1220, 1342, 1484, 1540, 1708, 1855, 2120, 2135, 2332, 2440, 2684, 2915, 2968, 3080, 3233, 3355, 3416, 3710, 4081, 4270, 4664, 4697, 5368, 5830, 6466, 6710, 7420, 8162, 8540, 9394, 11660, 12932, 13420, 14840, 16165, 16324, 17080, 18788, 20405, 22631, 23320, 23485, 25864, 26840, 32330, 32648, 35563, 37576, 40810, 45262, 46970, 64660, 71126, 81620, 90524, 93940, 113155, 129320, 142252, 163240, 177815, 181048, 187880, 226310, 248941, 284504, 355630, 452620, 497882, 711260, 905240, 995764, 1244705, 1422520, 1991528, 2489410, 4978820, 9957640]

約数ペア:

[(1, 9957640), (2, 4978820), (4, 2489410), (5, 1991528), (7, 1422520), (8, 1244705), (10, 995764), (11, 905240), (14, 711260), (20, 497882), (22, 452620), (28, 355630), (35, 284504), (40, 248941), (44, 226310), (53, 187880), (55, 181048), (56, 177815), (61, 163240), (70, 142252), (77, 129320), (88, 113155), (106, 93940), (110, 90524), (122, 81620), (140, 71126), (154, 64660), (212, 46970), (220, 45262), (244, 40810), (265, 37576), (280, 35563), (305, 32648), (308, 32330), (371, 26840), (385, 25864), (424, 23485), (427, 23320), (440, 22631), (488, 20405), (530, 18788), (583, 17080), (610, 16324), (616, 16165), (671, 14840), (742, 13420), (770, 12932), (854, 11660), (1060, 9394), (1166, 8540), (1220, 8162), (1342, 7420), (1484, 6710), (1540, 6466), (1708, 5830), (1855, 5368), (2120, 4697), (2135, 4664), (2332, 4270), (2440, 4081), (2684, 3710), (2915, 3416), (2968, 3355), (3080, 3233)]