202015620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 641729088

約数和(自身を除く): 439713468

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, 211, 243, 270, 324, 394, 405, 422, 486, 540, 591, 633, 788, 810, 844, 972, 985, 1055, 1182, 1215, 1266, 1620, 1773, 1899, 1970, 2110, 2364, 2430, 2532, 2955, 3165, 3546, 3798, 3940, 4220, 4860, 5319, 5697, 5910, 6330, 7092, 7596, 8865, 9495, 10638, 11394, 11820, 12660, 15957, 17091, 17730, 18990, 21276, 22788, 26595, 28485, 31914, 34182, 35460, 37980, 41567, 47871, 51273, 53190, 56970, 63828, 68364, 79785, 83134, 85455, 95742, 102546, 106380, 113940, 124701, 159570, 166268, 170910, 191484, 205092, 207835, 239355, 249402, 256365, 319140, 341820, 374103, 415670, 478710, 498804, 512730, 623505, 748206, 831340, 957420, 1025460, 1122309, 1247010, 1496412, 1870515, 2244618, 2494020, 3366927, 3741030, 4489236, 5611545, 6733854, 7482060, 10100781, 11223090, 13467708, 16834635, 20201562, 22446180, 33669270, 40403124, 50503905, 67338540, 101007810, 202015620]

約数ペア:

[(1, 202015620), (2, 101007810), (3, 67338540), (4, 50503905), (5, 40403124), (6, 33669270), (9, 22446180), (10, 20201562), (12, 16834635), (15, 13467708), (18, 11223090), (20, 10100781), (27, 7482060), (30, 6733854), (36, 5611545), (45, 4489236), (54, 3741030), (60, 3366927), (81, 2494020), (90, 2244618), (108, 1870515), (135, 1496412), (162, 1247010), (180, 1122309), (197, 1025460), (211, 957420), (243, 831340), (270, 748206), (324, 623505), (394, 512730), (405, 498804), (422, 478710), (486, 415670), (540, 374103), (591, 341820), (633, 319140), (788, 256365), (810, 249402), (844, 239355), (972, 207835), (985, 205092), (1055, 191484), (1182, 170910), (1215, 166268), (1266, 159570), (1620, 124701), (1773, 113940), (1899, 106380), (1970, 102546), (2110, 95742), (2364, 85455), (2430, 83134), (2532, 79785), (2955, 68364), (3165, 63828), (3546, 56970), (3798, 53190), (3940, 51273), (4220, 47871), (4860, 41567), (5319, 37980), (5697, 35460), (5910, 34182), (6330, 31914), (7092, 28485), (7596, 26595), (8865, 22788), (9495, 21276), (10638, 18990), (11394, 17730), (11820, 17091), (12660, 15957)]