1986480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 6963840

約数和(自身を除く): 4977360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 89, 90, 93, 120, 124, 144, 155, 178, 180, 186, 240, 248, 267, 279, 310, 356, 360, 372, 445, 465, 496, 534, 558, 620, 712, 720, 744, 801, 890, 930, 1068, 1116, 1240, 1335, 1395, 1424, 1488, 1602, 1780, 1860, 2136, 2232, 2480, 2670, 2759, 2790, 3204, 3560, 3720, 4005, 4272, 4464, 5340, 5518, 5580, 6408, 7120, 7440, 8010, 8277, 10680, 11036, 11160, 12816, 13795, 16020, 16554, 21360, 22072, 22320, 24831, 27590, 32040, 33108, 41385, 44144, 49662, 55180, 64080, 66216, 82770, 99324, 110360, 124155, 132432, 165540, 198648, 220720, 248310, 331080, 397296, 496620, 662160, 993240, 1986480]

約数ペア:

[(1, 1986480), (2, 993240), (3, 662160), (4, 496620), (5, 397296), (6, 331080), (8, 248310), (9, 220720), (10, 198648), (12, 165540), (15, 132432), (16, 124155), (18, 110360), (20, 99324), (24, 82770), (30, 66216), (31, 64080), (36, 55180), (40, 49662), (45, 44144), (48, 41385), (60, 33108), (62, 32040), (72, 27590), (80, 24831), (89, 22320), (90, 22072), (93, 21360), (120, 16554), (124, 16020), (144, 13795), (155, 12816), (178, 11160), (180, 11036), (186, 10680), (240, 8277), (248, 8010), (267, 7440), (279, 7120), (310, 6408), (356, 5580), (360, 5518), (372, 5340), (445, 4464), (465, 4272), (496, 4005), (534, 3720), (558, 3560), (620, 3204), (712, 2790), (720, 2759), (744, 2670), (801, 2480), (890, 2232), (930, 2136), (1068, 1860), (1116, 1780), (1240, 1602), (1335, 1488), (1395, 1424)]