128641590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 192

約数和(自身を含む): 439395840

約数和(自身を除く): 310754250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 30, 33, 35, 38, 42, 45, 55, 57, 63, 66, 70, 77, 90, 95, 99, 105, 110, 114, 126, 133, 154, 165, 171, 190, 198, 209, 210, 231, 266, 285, 315, 330, 342, 385, 399, 418, 462, 495, 570, 627, 630, 665, 693, 770, 798, 855, 977, 990, 1045, 1155, 1197, 1254, 1330, 1386, 1463, 1710, 1881, 1954, 1995, 2090, 2310, 2394, 2926, 2931, 3135, 3465, 3762, 3990, 4389, 4885, 5862, 5985, 6270, 6839, 6930, 7315, 8778, 8793, 9405, 9770, 10747, 11970, 13167, 13678, 14630, 14655, 17586, 18563, 18810, 20517, 21494, 21945, 26334, 29310, 32241, 34195, 37126, 41034, 43890, 43965, 53735, 55689, 61551, 64482, 65835, 68390, 75229, 87930, 92815, 96723, 102585, 107470, 111378, 123102, 129941, 131670, 150458, 161205, 167067, 185630, 193446, 204193, 205170, 225687, 259882, 278445, 307755, 322410, 334134, 376145, 389823, 408386, 451374, 483615, 556890, 612579, 615510, 649705, 677061, 752290, 779646, 835335, 967230, 1020965, 1128435, 1169469, 1225158, 1299410, 1354122, 1429351, 1670670, 1837737, 1949115, 2041930, 2256870, 2338938, 2858702, 3062895, 3385305, 3675474, 3898230, 4288053, 5847345, 6125790, 6770610, 7146755, 8576106, 9188685, 11694690, 12864159, 14293510, 18377370, 21440265, 25728318, 42880530, 64320795, 128641590]

約数ペア:

[(1, 128641590), (2, 64320795), (3, 42880530), (5, 25728318), (6, 21440265), (7, 18377370), (9, 14293510), (10, 12864159), (11, 11694690), (14, 9188685), (15, 8576106), (18, 7146755), (19, 6770610), (21, 6125790), (22, 5847345), (30, 4288053), (33, 3898230), (35, 3675474), (38, 3385305), (42, 3062895), (45, 2858702), (55, 2338938), (57, 2256870), (63, 2041930), (66, 1949115), (70, 1837737), (77, 1670670), (90, 1429351), (95, 1354122), (99, 1299410), (105, 1225158), (110, 1169469), (114, 1128435), (126, 1020965), (133, 967230), (154, 835335), (165, 779646), (171, 752290), (190, 677061), (198, 649705), (209, 615510), (210, 612579), (231, 556890), (266, 483615), (285, 451374), (315, 408386), (330, 389823), (342, 376145), (385, 334134), (399, 322410), (418, 307755), (462, 278445), (495, 259882), (570, 225687), (627, 205170), (630, 204193), (665, 193446), (693, 185630), (770, 167067), (798, 161205), (855, 150458), (977, 131670), (990, 129941), (1045, 123102), (1155, 111378), (1197, 107470), (1254, 102585), (1330, 96723), (1386, 92815), (1463, 87930), (1710, 75229), (1881, 68390), (1954, 65835), (1995, 64482), (2090, 61551), (2310, 55689), (2394, 53735), (2926, 43965), (2931, 43890), (3135, 41034), (3465, 37126), (3762, 34195), (3990, 32241), (4389, 29310), (4885, 26334), (5862, 21945), (5985, 21494), (6270, 20517), (6839, 18810), (6930, 18563), (7315, 17586), (8778, 14655), (8793, 14630), (9405, 13678), (9770, 13167), (10747, 11970)]