129755920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 356227200

約数和(自身を除く): 226471280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 419, 490, 553, 560, 632, 784, 790, 838, 980, 1106, 1264, 1580, 1676, 1960, 2095, 2212, 2765, 2933, 3160, 3352, 3871, 3920, 4190, 4424, 5530, 5866, 6320, 6704, 7742, 8380, 8848, 11060, 11732, 14665, 15484, 16760, 19355, 20531, 22120, 23464, 29330, 30968, 33101, 33520, 38710, 41062, 44240, 46928, 58660, 61936, 66202, 77420, 82124, 102655, 117320, 132404, 154840, 164248, 165505, 205310, 231707, 234640, 264808, 309680, 328496, 331010, 410620, 463414, 529616, 662020, 821240, 926828, 1158535, 1324040, 1621949, 1642480, 1853656, 2317070, 2648080, 3243898, 3707312, 4634140, 6487796, 8109745, 9268280, 12975592, 16219490, 18536560, 25951184, 32438980, 64877960, 129755920]

約数ペア:

[(1, 129755920), (2, 64877960), (4, 32438980), (5, 25951184), (7, 18536560), (8, 16219490), (10, 12975592), (14, 9268280), (16, 8109745), (20, 6487796), (28, 4634140), (35, 3707312), (40, 3243898), (49, 2648080), (56, 2317070), (70, 1853656), (79, 1642480), (80, 1621949), (98, 1324040), (112, 1158535), (140, 926828), (158, 821240), (196, 662020), (245, 529616), (280, 463414), (316, 410620), (392, 331010), (395, 328496), (419, 309680), (490, 264808), (553, 234640), (560, 231707), (632, 205310), (784, 165505), (790, 164248), (838, 154840), (980, 132404), (1106, 117320), (1264, 102655), (1580, 82124), (1676, 77420), (1960, 66202), (2095, 61936), (2212, 58660), (2765, 46928), (2933, 44240), (3160, 41062), (3352, 38710), (3871, 33520), (3920, 33101), (4190, 30968), (4424, 29330), (5530, 23464), (5866, 22120), (6320, 20531), (6704, 19355), (7742, 16760), (8380, 15484), (8848, 14665), (11060, 11732)]