128490840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{118973}}^1$

素因数の和:118993

約数の個数: 64

約数和(自身を含む): 428306400

約数和(自身を除く): 299815560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 118973, 237946, 356919, 475892, 594865, 713838, 951784, 1070757, 1189730, 1427676, 1784595, 2141514, 2379460, 2855352, 3212271, 3569190, 4283028, 4758920, 5353785, 6424542, 7138380, 8566056, 10707570, 12849084, 14276760, 16061355, 21415140, 25698168, 32122710, 42830280, 64245420, 128490840]

約数ペア:

[(1, 128490840), (2, 64245420), (3, 42830280), (4, 32122710), (5, 25698168), (6, 21415140), (8, 16061355), (9, 14276760), (10, 12849084), (12, 10707570), (15, 8566056), (18, 7138380), (20, 6424542), (24, 5353785), (27, 4758920), (30, 4283028), (36, 3569190), (40, 3212271), (45, 2855352), (54, 2379460), (60, 2141514), (72, 1784595), (90, 1427676), (108, 1189730), (120, 1070757), (135, 951784), (180, 713838), (216, 594865), (270, 475892), (360, 356919), (540, 237946), (1080, 118973)]