18070640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 51017568

約数和(自身を除く): 32946928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 61, 70, 80, 92, 112, 115, 122, 140, 161, 184, 230, 244, 280, 305, 322, 368, 427, 460, 488, 529, 560, 610, 644, 805, 854, 920, 976, 1058, 1220, 1288, 1403, 1610, 1708, 1840, 2116, 2135, 2440, 2576, 2645, 2806, 3220, 3416, 3703, 4232, 4270, 4880, 5290, 5612, 6440, 6832, 7015, 7406, 8464, 8540, 9821, 10580, 11224, 12880, 14030, 14812, 17080, 18515, 19642, 21160, 22448, 28060, 29624, 32269, 34160, 37030, 39284, 42320, 49105, 56120, 59248, 64538, 74060, 78568, 98210, 112240, 129076, 148120, 157136, 161345, 196420, 225883, 258152, 296240, 322690, 392840, 451766, 516304, 645380, 785680, 903532, 1129415, 1290760, 1807064, 2258830, 2581520, 3614128, 4517660, 9035320, 18070640]

約数ペア:

[(1, 18070640), (2, 9035320), (4, 4517660), (5, 3614128), (7, 2581520), (8, 2258830), (10, 1807064), (14, 1290760), (16, 1129415), (20, 903532), (23, 785680), (28, 645380), (35, 516304), (40, 451766), (46, 392840), (56, 322690), (61, 296240), (70, 258152), (80, 225883), (92, 196420), (112, 161345), (115, 157136), (122, 148120), (140, 129076), (161, 112240), (184, 98210), (230, 78568), (244, 74060), (280, 64538), (305, 59248), (322, 56120), (368, 49105), (427, 42320), (460, 39284), (488, 37030), (529, 34160), (560, 32269), (610, 29624), (644, 28060), (805, 22448), (854, 21160), (920, 19642), (976, 18515), (1058, 17080), (1220, 14812), (1288, 14030), (1403, 12880), (1610, 11224), (1708, 10580), (1840, 9821), (2116, 8540), (2135, 8464), (2440, 7406), (2576, 7015), (2645, 6832), (2806, 6440), (3220, 5612), (3416, 5290), (3703, 4880), (4232, 4270)]