128784180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1061}}^1$

素因数の和:1114

約数の個数: 144

約数和(自身を含む): 438189696

約数和(自身を除く): 309405516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 289, 340, 357, 420, 476, 510, 578, 595, 714, 867, 1020, 1061, 1156, 1190, 1428, 1445, 1734, 1785, 2023, 2122, 2380, 2890, 3183, 3468, 3570, 4046, 4244, 4335, 5305, 5780, 6069, 6366, 7140, 7427, 8092, 8670, 10115, 10610, 12138, 12732, 14854, 15915, 17340, 18037, 20230, 21220, 22281, 24276, 29708, 30345, 31830, 36074, 37135, 40460, 44562, 54111, 60690, 63660, 72148, 74270, 89124, 90185, 108222, 111405, 121380, 126259, 148540, 180370, 216444, 222810, 252518, 270555, 306629, 360740, 378777, 445620, 505036, 541110, 613258, 631295, 757554, 919887, 1082220, 1226516, 1262590, 1515108, 1533145, 1839774, 1893885, 2146403, 2525180, 3066290, 3679548, 3787770, 4292806, 4599435, 6132580, 6439209, 7575540, 8585612, 9198870, 10732015, 12878418, 18397740, 21464030, 25756836, 32196045, 42928060, 64392090, 128784180]

約数ペア:

[(1, 128784180), (2, 64392090), (3, 42928060), (4, 32196045), (5, 25756836), (6, 21464030), (7, 18397740), (10, 12878418), (12, 10732015), (14, 9198870), (15, 8585612), (17, 7575540), (20, 6439209), (21, 6132580), (28, 4599435), (30, 4292806), (34, 3787770), (35, 3679548), (42, 3066290), (51, 2525180), (60, 2146403), (68, 1893885), (70, 1839774), (84, 1533145), (85, 1515108), (102, 1262590), (105, 1226516), (119, 1082220), (140, 919887), (170, 757554), (204, 631295), (210, 613258), (238, 541110), (255, 505036), (289, 445620), (340, 378777), (357, 360740), (420, 306629), (476, 270555), (510, 252518), (578, 222810), (595, 216444), (714, 180370), (867, 148540), (1020, 126259), (1061, 121380), (1156, 111405), (1190, 108222), (1428, 90185), (1445, 89124), (1734, 74270), (1785, 72148), (2023, 63660), (2122, 60690), (2380, 54111), (2890, 44562), (3183, 40460), (3468, 37135), (3570, 36074), (4046, 31830), (4244, 30345), (4335, 29708), (5305, 24276), (5780, 22281), (6069, 21220), (6366, 20230), (7140, 18037), (7427, 17340), (8092, 15915), (8670, 14854), (10115, 12732), (10610, 12138)]