1639443840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6143}}^1$

素因数の和:6304

約数の個数: 128

約数和(自身を含む): 5264179200

約数和(自身を除く): 3624735360

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, 139, 160, 192, 240, 278, 320, 384, 417, 480, 556, 640, 695, 834, 960, 1112, 1390, 1668, 1920, 2085, 2224, 2780, 3336, 4170, 4448, 5560, 6143, 6672, 8340, 8896, 11120, 12286, 13344, 16680, 17792, 18429, 22240, 24572, 26688, 30715, 33360, 36858, 44480, 49144, 53376, 61430, 66720, 73716, 88960, 92145, 98288, 122860, 133440, 147432, 184290, 196576, 245720, 266880, 294864, 368580, 393152, 491440, 589728, 737160, 786304, 853877, 982880, 1179456, 1474320, 1707754, 1965760, 2358912, 2561631, 2948640, 3415508, 3931520, 4269385, 5123262, 5897280, 6831016, 8538770, 10246524, 11794560, 12808155, 13662032, 17077540, 20493048, 25616310, 27324064, 34155080, 40986096, 51232620, 54648128, 68310160, 81972192, 102465240, 109296256, 136620320, 163944384, 204930480, 273240640, 327888768, 409860960, 546481280, 819721920, 1639443840]

約数ペア:

[(1, 1639443840), (2, 819721920), (3, 546481280), (4, 409860960), (5, 327888768), (6, 273240640), (8, 204930480), (10, 163944384), (12, 136620320), (15, 109296256), (16, 102465240), (20, 81972192), (24, 68310160), (30, 54648128), (32, 51232620), (40, 40986096), (48, 34155080), (60, 27324064), (64, 25616310), (80, 20493048), (96, 17077540), (120, 13662032), (128, 12808155), (139, 11794560), (160, 10246524), (192, 8538770), (240, 6831016), (278, 5897280), (320, 5123262), (384, 4269385), (417, 3931520), (480, 3415508), (556, 2948640), (640, 2561631), (695, 2358912), (834, 1965760), (960, 1707754), (1112, 1474320), (1390, 1179456), (1668, 982880), (1920, 853877), (2085, 786304), (2224, 737160), (2780, 589728), (3336, 491440), (4170, 393152), (4448, 368580), (5560, 294864), (6143, 266880), (6672, 245720), (8340, 196576), (8896, 184290), (11120, 147432), (12286, 133440), (13344, 122860), (16680, 98288), (17792, 92145), (18429, 88960), (22240, 73716), (24572, 66720), (26688, 61430), (30715, 53376), (33360, 49144), (36858, 44480)]