161949480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1080

約数の個数: 256

約数和(自身を含む): 641986560

約数和(自身を除く): 480037080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 132, 136, 140, 154, 165, 168, 170, 187, 204, 210, 220, 231, 238, 255, 264, 280, 308, 330, 340, 357, 374, 385, 408, 420, 440, 462, 476, 510, 561, 595, 616, 660, 680, 714, 748, 770, 840, 924, 935, 952, 1020, 1031, 1122, 1155, 1190, 1309, 1320, 1428, 1496, 1540, 1785, 1848, 1870, 2040, 2062, 2244, 2310, 2380, 2618, 2805, 2856, 3080, 3093, 3570, 3740, 3927, 4124, 4488, 4620, 4760, 5155, 5236, 5610, 6186, 6545, 7140, 7217, 7480, 7854, 8248, 9240, 10310, 10472, 11220, 11341, 12372, 13090, 14280, 14434, 15465, 15708, 17527, 19635, 20620, 21651, 22440, 22682, 24744, 26180, 28868, 30930, 31416, 34023, 35054, 36085, 39270, 41240, 43302, 45364, 52360, 52581, 56705, 57736, 61860, 68046, 70108, 72170, 78540, 79387, 86604, 87635, 90728, 105162, 108255, 113410, 122689, 123720, 136092, 140216, 144340, 157080, 158774, 170115, 173208, 175270, 192797, 210324, 216510, 226820, 238161, 245378, 262905, 272184, 288680, 317548, 340230, 350540, 368067, 385594, 396935, 420648, 433020, 453640, 476322, 490756, 525810, 578391, 613445, 635096, 680460, 701080, 736134, 771188, 793870, 866040, 952644, 963985, 981512, 1051620, 1156782, 1190805, 1226890, 1349579, 1360920, 1472268, 1542376, 1587740, 1840335, 1905288, 1927970, 2103240, 2313564, 2381610, 2453780, 2699158, 2891955, 2944536, 3175480, 3680670, 3855940, 4048737, 4627128, 4763220, 4907560, 5398316, 5783910, 6747895, 7361340, 7711880, 8097474, 9526440, 10796632, 11567820, 13495790, 14722680, 16194948, 20243685, 23135640, 26991580, 32389896, 40487370, 53983160, 80974740, 161949480]

約数ペア:

[(1, 161949480), (2, 80974740), (3, 53983160), (4, 40487370), (5, 32389896), (6, 26991580), (7, 23135640), (8, 20243685), (10, 16194948), (11, 14722680), (12, 13495790), (14, 11567820), (15, 10796632), (17, 9526440), (20, 8097474), (21, 7711880), (22, 7361340), (24, 6747895), (28, 5783910), (30, 5398316), (33, 4907560), (34, 4763220), (35, 4627128), (40, 4048737), (42, 3855940), (44, 3680670), (51, 3175480), (55, 2944536), (56, 2891955), (60, 2699158), (66, 2453780), (68, 2381610), (70, 2313564), (77, 2103240), (84, 1927970), (85, 1905288), (88, 1840335), (102, 1587740), (105, 1542376), (110, 1472268), (119, 1360920), (120, 1349579), (132, 1226890), (136, 1190805), (140, 1156782), (154, 1051620), (165, 981512), (168, 963985), (170, 952644), (187, 866040), (204, 793870), (210, 771188), (220, 736134), (231, 701080), (238, 680460), (255, 635096), (264, 613445), (280, 578391), (308, 525810), (330, 490756), (340, 476322), (357, 453640), (374, 433020), (385, 420648), (408, 396935), (420, 385594), (440, 368067), (462, 350540), (476, 340230), (510, 317548), (561, 288680), (595, 272184), (616, 262905), (660, 245378), (680, 238161), (714, 226820), (748, 216510), (770, 210324), (840, 192797), (924, 175270), (935, 173208), (952, 170115), (1020, 158774), (1031, 157080), (1122, 144340), (1155, 140216), (1190, 136092), (1309, 123720), (1320, 122689), (1428, 113410), (1496, 108255), (1540, 105162), (1785, 90728), (1848, 87635), (1870, 86604), (2040, 79387), (2062, 78540), (2244, 72170), (2310, 70108), (2380, 68046), (2618, 61860), (2805, 57736), (2856, 56705), (3080, 52581), (3093, 52360), (3570, 45364), (3740, 43302), (3927, 41240), (4124, 39270), (4488, 36085), (4620, 35054), (4760, 34023), (5155, 31416), (5236, 30930), (5610, 28868), (6186, 26180), (6545, 24744), (7140, 22682), (7217, 22440), (7480, 21651), (7854, 20620), (8248, 19635), (9240, 17527), (10310, 15708), (10472, 15465), (11220, 14434), (11341, 14280), (12372, 13090)]