77551020

素因数分解:

$2^2\times 3^9\times 5^1\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 245521584

約数和(自身を除く): 167970564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 197, 243, 270, 324, 394, 405, 486, 540, 591, 729, 788, 810, 972, 985, 1182, 1215, 1458, 1620, 1773, 1970, 2187, 2364, 2430, 2916, 2955, 3546, 3645, 3940, 4374, 4860, 5319, 5910, 6561, 7092, 7290, 8748, 8865, 10638, 10935, 11820, 13122, 14580, 15957, 17730, 19683, 21276, 21870, 26244, 26595, 31914, 32805, 35460, 39366, 43740, 47871, 53190, 63828, 65610, 78732, 79785, 95742, 98415, 106380, 131220, 143613, 159570, 191484, 196830, 239355, 287226, 319140, 393660, 430839, 478710, 574452, 718065, 861678, 957420, 1292517, 1436130, 1723356, 2154195, 2585034, 2872260, 3877551, 4308390, 5170068, 6462585, 7755102, 8616780, 12925170, 15510204, 19387755, 25850340, 38775510, 77551020]

約数ペア:

[(1, 77551020), (2, 38775510), (3, 25850340), (4, 19387755), (5, 15510204), (6, 12925170), (9, 8616780), (10, 7755102), (12, 6462585), (15, 5170068), (18, 4308390), (20, 3877551), (27, 2872260), (30, 2585034), (36, 2154195), (45, 1723356), (54, 1436130), (60, 1292517), (81, 957420), (90, 861678), (108, 718065), (135, 574452), (162, 478710), (180, 430839), (197, 393660), (243, 319140), (270, 287226), (324, 239355), (394, 196830), (405, 191484), (486, 159570), (540, 143613), (591, 131220), (729, 106380), (788, 98415), (810, 95742), (972, 79785), (985, 78732), (1182, 65610), (1215, 63828), (1458, 53190), (1620, 47871), (1773, 43740), (1970, 39366), (2187, 35460), (2364, 32805), (2430, 31914), (2916, 26595), (2955, 26244), (3546, 21870), (3645, 21276), (3940, 19683), (4374, 17730), (4860, 15957), (5319, 14580), (5910, 13122), (6561, 11820), (7092, 10935), (7290, 10638), (8748, 8865)]