1980675720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{34603}}^1$

素因数の和:34676

約数の個数: 128

約数和(自身を含む): 6727017600

約数和(自身を除く): 4746341880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 360, 424, 477, 530, 540, 636, 795, 954, 1060, 1080, 1272, 1431, 1590, 1908, 2120, 2385, 2862, 3180, 3816, 4770, 5724, 6360, 7155, 9540, 11448, 14310, 19080, 28620, 34603, 57240, 69206, 103809, 138412, 173015, 207618, 276824, 311427, 346030, 415236, 519045, 622854, 692060, 830472, 934281, 1038090, 1245708, 1384120, 1557135, 1833959, 1868562, 2076180, 2491416, 3114270, 3667918, 3737124, 4152360, 4671405, 5501877, 6228540, 7335836, 7474248, 9169795, 9342810, 11003754, 12457080, 14671672, 16505631, 18339590, 18685620, 22007508, 27509385, 33011262, 36679180, 37371240, 44015016, 49516893, 55018770, 66022524, 73358360, 82528155, 99033786, 110037540, 132045048, 165056310, 198067572, 220075080, 247584465, 330112620, 396135144, 495168930, 660225240, 990337860, 1980675720]

約数ペア:

[(1, 1980675720), (2, 990337860), (3, 660225240), (4, 495168930), (5, 396135144), (6, 330112620), (8, 247584465), (9, 220075080), (10, 198067572), (12, 165056310), (15, 132045048), (18, 110037540), (20, 99033786), (24, 82528155), (27, 73358360), (30, 66022524), (36, 55018770), (40, 49516893), (45, 44015016), (53, 37371240), (54, 36679180), (60, 33011262), (72, 27509385), (90, 22007508), (106, 18685620), (108, 18339590), (120, 16505631), (135, 14671672), (159, 12457080), (180, 11003754), (212, 9342810), (216, 9169795), (265, 7474248), (270, 7335836), (318, 6228540), (360, 5501877), (424, 4671405), (477, 4152360), (530, 3737124), (540, 3667918), (636, 3114270), (795, 2491416), (954, 2076180), (1060, 1868562), (1080, 1833959), (1272, 1557135), (1431, 1384120), (1590, 1245708), (1908, 1038090), (2120, 934281), (2385, 830472), (2862, 692060), (3180, 622854), (3816, 519045), (4770, 415236), (5724, 346030), (6360, 311427), (7155, 276824), (9540, 207618), (11448, 173015), (14310, 138412), (19080, 103809), (28620, 69206), (34603, 57240)]