161288820

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 288

約数和(自身を含む): 634023936

約数和(自身を除く): 472735116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 162, 165, 180, 189, 198, 210, 220, 231, 243, 252, 270, 297, 308, 315, 324, 330, 378, 385, 396, 405, 420, 431, 462, 486, 495, 540, 567, 594, 630, 660, 693, 756, 770, 810, 862, 891, 924, 945, 972, 990, 1134, 1155, 1188, 1215, 1260, 1293, 1386, 1485, 1540, 1620, 1701, 1724, 1782, 1890, 1980, 2079, 2155, 2268, 2310, 2430, 2586, 2673, 2772, 2835, 2970, 3017, 3402, 3465, 3564, 3780, 3879, 4158, 4310, 4455, 4620, 4741, 4860, 5172, 5346, 5670, 5940, 6034, 6237, 6465, 6804, 6930, 7758, 8316, 8505, 8620, 8910, 9051, 9482, 10395, 10692, 11340, 11637, 12068, 12474, 12930, 13365, 13860, 14223, 15085, 15516, 17010, 17820, 18102, 18711, 18964, 19395, 20790, 23274, 23705, 24948, 25860, 26730, 27153, 28446, 30170, 31185, 33187, 34020, 34911, 36204, 37422, 38790, 41580, 42669, 45255, 46548, 47410, 53460, 54306, 56892, 58185, 60340, 62370, 66374, 69822, 71115, 74844, 77580, 81459, 85338, 90510, 93555, 94820, 99561, 104733, 108612, 116370, 124740, 128007, 132748, 135765, 139644, 142230, 162918, 165935, 170676, 174555, 181020, 187110, 199122, 209466, 213345, 232740, 244377, 256014, 271530, 284460, 298683, 325836, 331870, 349110, 374220, 384021, 398244, 407295, 418932, 426690, 488754, 497805, 512028, 523665, 543060, 597366, 640035, 663740, 698220, 733131, 768042, 814590, 853380, 896049, 977508, 995610, 1047330, 1152063, 1194732, 1221885, 1280070, 1466262, 1493415, 1536084, 1629180, 1792098, 1920105, 1991220, 2094660, 2304126, 2443770, 2560140, 2688147, 2932524, 2986830, 3584196, 3665655, 3840210, 4480245, 4608252, 4887540, 5376294, 5760315, 5973660, 7331310, 7680420, 8064441, 8960490, 10752588, 11520630, 13440735, 14662620, 16128882, 17920980, 23041260, 26881470, 32257764, 40322205, 53762940, 80644410, 161288820]

約数ペア:

[(1, 161288820), (2, 80644410), (3, 53762940), (4, 40322205), (5, 32257764), (6, 26881470), (7, 23041260), (9, 17920980), (10, 16128882), (11, 14662620), (12, 13440735), (14, 11520630), (15, 10752588), (18, 8960490), (20, 8064441), (21, 7680420), (22, 7331310), (27, 5973660), (28, 5760315), (30, 5376294), (33, 4887540), (35, 4608252), (36, 4480245), (42, 3840210), (44, 3665655), (45, 3584196), (54, 2986830), (55, 2932524), (60, 2688147), (63, 2560140), (66, 2443770), (70, 2304126), (77, 2094660), (81, 1991220), (84, 1920105), (90, 1792098), (99, 1629180), (105, 1536084), (108, 1493415), (110, 1466262), (126, 1280070), (132, 1221885), (135, 1194732), (140, 1152063), (154, 1047330), (162, 995610), (165, 977508), (180, 896049), (189, 853380), (198, 814590), (210, 768042), (220, 733131), (231, 698220), (243, 663740), (252, 640035), (270, 597366), (297, 543060), (308, 523665), (315, 512028), (324, 497805), (330, 488754), (378, 426690), (385, 418932), (396, 407295), (405, 398244), (420, 384021), (431, 374220), (462, 349110), (486, 331870), (495, 325836), (540, 298683), (567, 284460), (594, 271530), (630, 256014), (660, 244377), (693, 232740), (756, 213345), (770, 209466), (810, 199122), (862, 187110), (891, 181020), (924, 174555), (945, 170676), (972, 165935), (990, 162918), (1134, 142230), (1155, 139644), (1188, 135765), (1215, 132748), (1260, 128007), (1293, 124740), (1386, 116370), (1485, 108612), (1540, 104733), (1620, 99561), (1701, 94820), (1724, 93555), (1782, 90510), (1890, 85338), (1980, 81459), (2079, 77580), (2155, 74844), (2268, 71115), (2310, 69822), (2430, 66374), (2586, 62370), (2673, 60340), (2772, 58185), (2835, 56892), (2970, 54306), (3017, 53460), (3402, 47410), (3465, 46548), (3564, 45255), (3780, 42669), (3879, 41580), (4158, 38790), (4310, 37422), (4455, 36204), (4620, 34911), (4741, 34020), (4860, 33187), (5172, 31185), (5346, 30170), (5670, 28446), (5940, 27153), (6034, 26730), (6237, 25860), (6465, 24948), (6804, 23705), (6930, 23274), (7758, 20790), (8316, 19395), (8505, 18964), (8620, 18711), (8910, 18102), (9051, 17820), (9482, 17010), (10395, 15516), (10692, 15085), (11340, 14223), (11637, 13860), (12068, 13365), (12474, 12930)]