1288890180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{22877}}^1$

素因数の和:23205

約数の個数: 72

約数和(自身を含む): 3922295832

約数和(自身を除く): 2633405652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2817, 3130, 3756, 4695, 5634, 6260, 9390, 11268, 14085, 18780, 22877, 28170, 45754, 56340, 68631, 91508, 114385, 137262, 205893, 228770, 274524, 343155, 411786, 457540, 686310, 823572, 1029465, 1372620, 2058930, 4117860, 7160501, 14321002, 21481503, 28642004, 35802505, 42963006, 64444509, 71605010, 85926012, 107407515, 128889018, 143210020, 214815030, 257778036, 322222545, 429630060, 644445090, 1288890180]

約数ペア:

[(1, 1288890180), (2, 644445090), (3, 429630060), (4, 322222545), (5, 257778036), (6, 214815030), (9, 143210020), (10, 128889018), (12, 107407515), (15, 85926012), (18, 71605010), (20, 64444509), (30, 42963006), (36, 35802505), (45, 28642004), (60, 21481503), (90, 14321002), (180, 7160501), (313, 4117860), (626, 2058930), (939, 1372620), (1252, 1029465), (1565, 823572), (1878, 686310), (2817, 457540), (3130, 411786), (3756, 343155), (4695, 274524), (5634, 228770), (6260, 205893), (9390, 137262), (11268, 114385), (14085, 91508), (18780, 68631), (22877, 56340), (28170, 45754)]