1914913620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:750

約数の個数: 144

約数和(自身を含む): 5896869888

約数和(自身を除く): 3981956268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 211, 254, 381, 397, 422, 508, 633, 635, 762, 794, 844, 1055, 1143, 1191, 1266, 1270, 1524, 1588, 1899, 1905, 1985, 2110, 2286, 2382, 2532, 2540, 3165, 3573, 3798, 3810, 3970, 4220, 4572, 4764, 5715, 5955, 6330, 7146, 7596, 7620, 7940, 9495, 11430, 11910, 12660, 14292, 17865, 18990, 22860, 23820, 26797, 35730, 37980, 50419, 53594, 71460, 80391, 83767, 100838, 107188, 133985, 151257, 160782, 167534, 201676, 241173, 251301, 252095, 267970, 302514, 321564, 335068, 401955, 418835, 453771, 482346, 502602, 504190, 535940, 605028, 753903, 756285, 803910, 837670, 907542, 964692, 1005204, 1008380, 1205865, 1256505, 1507806, 1512570, 1607820, 1675340, 1815084, 2268855, 2411730, 2513010, 3015612, 3025140, 3769515, 4537710, 4823460, 5026020, 7539030, 9075420, 10638409, 15078060, 21276818, 31915227, 42553636, 53192045, 63830454, 95745681, 106384090, 127660908, 159576135, 191491362, 212768180, 319152270, 382982724, 478728405, 638304540, 957456810, 1914913620]

約数ペア:

[(1, 1914913620), (2, 957456810), (3, 638304540), (4, 478728405), (5, 382982724), (6, 319152270), (9, 212768180), (10, 191491362), (12, 159576135), (15, 127660908), (18, 106384090), (20, 95745681), (30, 63830454), (36, 53192045), (45, 42553636), (60, 31915227), (90, 21276818), (127, 15078060), (180, 10638409), (211, 9075420), (254, 7539030), (381, 5026020), (397, 4823460), (422, 4537710), (508, 3769515), (633, 3025140), (635, 3015612), (762, 2513010), (794, 2411730), (844, 2268855), (1055, 1815084), (1143, 1675340), (1191, 1607820), (1266, 1512570), (1270, 1507806), (1524, 1256505), (1588, 1205865), (1899, 1008380), (1905, 1005204), (1985, 964692), (2110, 907542), (2286, 837670), (2382, 803910), (2532, 756285), (2540, 753903), (3165, 605028), (3573, 535940), (3798, 504190), (3810, 502602), (3970, 482346), (4220, 453771), (4572, 418835), (4764, 401955), (5715, 335068), (5955, 321564), (6330, 302514), (7146, 267970), (7596, 252095), (7620, 251301), (7940, 241173), (9495, 201676), (11430, 167534), (11910, 160782), (12660, 151257), (14292, 133985), (17865, 107188), (18990, 100838), (22860, 83767), (23820, 80391), (26797, 71460), (35730, 53594), (37980, 50419)]