2018958720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2281}}^1$

素因数の和:2764

約数の個数: 128

約数和(自身を含む): 6452218080

約数和(自身を除く): 4433259360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 461, 480, 640, 922, 960, 1383, 1844, 1920, 2281, 2305, 2766, 3688, 4562, 4610, 5532, 6843, 6915, 7376, 9124, 9220, 11064, 11405, 13686, 13830, 14752, 18248, 18440, 22128, 22810, 27372, 27660, 29504, 34215, 36496, 36880, 44256, 45620, 54744, 55320, 59008, 68430, 72992, 73760, 88512, 91240, 109488, 110640, 136860, 145984, 147520, 177024, 182480, 218976, 221280, 273720, 291968, 295040, 364960, 437952, 442560, 547440, 729920, 875904, 885120, 1051541, 1094880, 1459840, 2103082, 2189760, 3154623, 4206164, 4379520, 5257705, 6309246, 8412328, 10515410, 12618492, 15773115, 16824656, 21030820, 25236984, 31546230, 33649312, 42061640, 50473968, 63092460, 67298624, 84123280, 100947936, 126184920, 134597248, 168246560, 201895872, 252369840, 336493120, 403791744, 504739680, 672986240, 1009479360, 2018958720]

約数ペア:

[(1, 2018958720), (2, 1009479360), (3, 672986240), (4, 504739680), (5, 403791744), (6, 336493120), (8, 252369840), (10, 201895872), (12, 168246560), (15, 134597248), (16, 126184920), (20, 100947936), (24, 84123280), (30, 67298624), (32, 63092460), (40, 50473968), (48, 42061640), (60, 33649312), (64, 31546230), (80, 25236984), (96, 21030820), (120, 16824656), (128, 15773115), (160, 12618492), (192, 10515410), (240, 8412328), (320, 6309246), (384, 5257705), (461, 4379520), (480, 4206164), (640, 3154623), (922, 2189760), (960, 2103082), (1383, 1459840), (1844, 1094880), (1920, 1051541), (2281, 885120), (2305, 875904), (2766, 729920), (3688, 547440), (4562, 442560), (4610, 437952), (5532, 364960), (6843, 295040), (6915, 291968), (7376, 273720), (9124, 221280), (9220, 218976), (11064, 182480), (11405, 177024), (13686, 147520), (13830, 145984), (14752, 136860), (18248, 110640), (18440, 109488), (22128, 91240), (22810, 88512), (27372, 73760), (27660, 72992), (29504, 68430), (34215, 59008), (36496, 55320), (36880, 54744), (44256, 45620)]