256993560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79319}}^1$

素因数の和:79342

約数の個数: 80

約数和(自身を含む): 863794800

約数和(自身を除く): 606801240

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 79319, 158638, 237957, 317276, 396595, 475914, 634552, 713871, 793190, 951828, 1189785, 1427742, 1586380, 1903656, 2141613, 2379570, 2855484, 3172760, 3569355, 4283226, 4759140, 5710968, 6424839, 7138710, 8566452, 9518280, 10708065, 12849678, 14277420, 17132904, 21416130, 25699356, 28554840, 32124195, 42832260, 51398712, 64248390, 85664520, 128496780, 256993560]

約数ペア:

[(1, 256993560), (2, 128496780), (3, 85664520), (4, 64248390), (5, 51398712), (6, 42832260), (8, 32124195), (9, 28554840), (10, 25699356), (12, 21416130), (15, 17132904), (18, 14277420), (20, 12849678), (24, 10708065), (27, 9518280), (30, 8566452), (36, 7138710), (40, 6424839), (45, 5710968), (54, 4759140), (60, 4283226), (72, 3569355), (81, 3172760), (90, 2855484), (108, 2379570), (120, 2141613), (135, 1903656), (162, 1586380), (180, 1427742), (216, 1189785), (270, 951828), (324, 793190), (360, 713871), (405, 634552), (540, 475914), (648, 396595), (810, 317276), (1080, 237957), (1620, 158638), (3240, 79319)]