1820160

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{79}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 6383520

約数和(自身を除く): 4563360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 256, 288, 316, 320, 360, 384, 395, 474, 480, 512, 576, 632, 640, 711, 720, 768, 790, 948, 960, 1152, 1185, 1264, 1280, 1422, 1440, 1536, 1580, 1896, 1920, 2304, 2370, 2528, 2560, 2844, 2880, 3160, 3555, 3792, 3840, 4608, 4740, 5056, 5688, 5760, 6320, 7110, 7584, 7680, 9480, 10112, 11376, 11520, 12640, 14220, 15168, 18960, 20224, 22752, 23040, 25280, 28440, 30336, 37920, 40448, 45504, 50560, 56880, 60672, 75840, 91008, 101120, 113760, 121344, 151680, 182016, 202240, 227520, 303360, 364032, 455040, 606720, 910080, 1820160]

約数ペア:

[(1, 1820160), (2, 910080), (3, 606720), (4, 455040), (5, 364032), (6, 303360), (8, 227520), (9, 202240), (10, 182016), (12, 151680), (15, 121344), (16, 113760), (18, 101120), (20, 91008), (24, 75840), (30, 60672), (32, 56880), (36, 50560), (40, 45504), (45, 40448), (48, 37920), (60, 30336), (64, 28440), (72, 25280), (79, 23040), (80, 22752), (90, 20224), (96, 18960), (120, 15168), (128, 14220), (144, 12640), (158, 11520), (160, 11376), (180, 10112), (192, 9480), (237, 7680), (240, 7584), (256, 7110), (288, 6320), (316, 5760), (320, 5688), (360, 5056), (384, 4740), (395, 4608), (474, 3840), (480, 3792), (512, 3555), (576, 3160), (632, 2880), (640, 2844), (711, 2560), (720, 2528), (768, 2370), (790, 2304), (948, 1920), (960, 1896), (1152, 1580), (1185, 1536), (1264, 1440), (1280, 1422)]