2165040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 7582848

約数和(自身を除く): 5417808

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, 90, 93, 97, 120, 124, 144, 155, 180, 186, 194, 240, 248, 279, 291, 310, 360, 372, 388, 465, 485, 496, 558, 582, 620, 720, 744, 776, 873, 930, 970, 1116, 1164, 1240, 1395, 1455, 1488, 1552, 1746, 1860, 1940, 2232, 2328, 2480, 2790, 2910, 3007, 3492, 3720, 3880, 4365, 4464, 4656, 5580, 5820, 6014, 6984, 7440, 7760, 8730, 9021, 11160, 11640, 12028, 13968, 15035, 17460, 18042, 22320, 23280, 24056, 27063, 30070, 34920, 36084, 45105, 48112, 54126, 60140, 69840, 72168, 90210, 108252, 120280, 135315, 144336, 180420, 216504, 240560, 270630, 360840, 433008, 541260, 721680, 1082520, 2165040]

約数ペア:

[(1, 2165040), (2, 1082520), (3, 721680), (4, 541260), (5, 433008), (6, 360840), (8, 270630), (9, 240560), (10, 216504), (12, 180420), (15, 144336), (16, 135315), (18, 120280), (20, 108252), (24, 90210), (30, 72168), (31, 69840), (36, 60140), (40, 54126), (45, 48112), (48, 45105), (60, 36084), (62, 34920), (72, 30070), (80, 27063), (90, 24056), (93, 23280), (97, 22320), (120, 18042), (124, 17460), (144, 15035), (155, 13968), (180, 12028), (186, 11640), (194, 11160), (240, 9021), (248, 8730), (279, 7760), (291, 7440), (310, 6984), (360, 6014), (372, 5820), (388, 5580), (465, 4656), (485, 4464), (496, 4365), (558, 3880), (582, 3720), (620, 3492), (720, 3007), (744, 2910), (776, 2790), (873, 2480), (930, 2328), (970, 2232), (1116, 1940), (1164, 1860), (1240, 1746), (1395, 1552), (1455, 1488)]