820128540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9343}}^1$

素因数の和:9392

約数の個数: 192

約数和(自身を含む): 3014000640

約数和(自身を除く): 2193872100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 231, 266, 285, 308, 330, 380, 385, 399, 418, 420, 462, 532, 570, 627, 660, 665, 770, 798, 836, 924, 1045, 1140, 1155, 1254, 1330, 1463, 1540, 1596, 1995, 2090, 2310, 2508, 2660, 2926, 3135, 3990, 4180, 4389, 4620, 5852, 6270, 7315, 7980, 8778, 9343, 12540, 14630, 17556, 18686, 21945, 28029, 29260, 37372, 43890, 46715, 56058, 65401, 87780, 93430, 102773, 112116, 130802, 140145, 177517, 186860, 196203, 205546, 261604, 280290, 308319, 327005, 355034, 392406, 411092, 513865, 532551, 560580, 616638, 654010, 710068, 719411, 784812, 887585, 981015, 1027730, 1065102, 1233276, 1242619, 1308020, 1438822, 1541595, 1775170, 1952687, 1962030, 2055460, 2130204, 2158233, 2485238, 2662755, 2877644, 3083190, 3550340, 3597055, 3727857, 3905374, 3924060, 4316466, 4970476, 5325510, 5858061, 6166380, 6213095, 7194110, 7455714, 7810748, 8632932, 9763435, 10651020, 10791165, 11716122, 12426190, 13668809, 14388220, 14911428, 18639285, 19526870, 21582330, 23432244, 24852380, 27337618, 29290305, 37278570, 39053740, 41006427, 43164660, 54675236, 58580610, 68344045, 74557140, 82012854, 117161220, 136688090, 164025708, 205032135, 273376180, 410064270, 820128540]

約数ペア:

[(1, 820128540), (2, 410064270), (3, 273376180), (4, 205032135), (5, 164025708), (6, 136688090), (7, 117161220), (10, 82012854), (11, 74557140), (12, 68344045), (14, 58580610), (15, 54675236), (19, 43164660), (20, 41006427), (21, 39053740), (22, 37278570), (28, 29290305), (30, 27337618), (33, 24852380), (35, 23432244), (38, 21582330), (42, 19526870), (44, 18639285), (55, 14911428), (57, 14388220), (60, 13668809), (66, 12426190), (70, 11716122), (76, 10791165), (77, 10651020), (84, 9763435), (95, 8632932), (105, 7810748), (110, 7455714), (114, 7194110), (132, 6213095), (133, 6166380), (140, 5858061), (154, 5325510), (165, 4970476), (190, 4316466), (209, 3924060), (210, 3905374), (220, 3727857), (228, 3597055), (231, 3550340), (266, 3083190), (285, 2877644), (308, 2662755), (330, 2485238), (380, 2158233), (385, 2130204), (399, 2055460), (418, 1962030), (420, 1952687), (462, 1775170), (532, 1541595), (570, 1438822), (627, 1308020), (660, 1242619), (665, 1233276), (770, 1065102), (798, 1027730), (836, 981015), (924, 887585), (1045, 784812), (1140, 719411), (1155, 710068), (1254, 654010), (1330, 616638), (1463, 560580), (1540, 532551), (1596, 513865), (1995, 411092), (2090, 392406), (2310, 355034), (2508, 327005), (2660, 308319), (2926, 280290), (3135, 261604), (3990, 205546), (4180, 196203), (4389, 186860), (4620, 177517), (5852, 140145), (6270, 130802), (7315, 112116), (7980, 102773), (8778, 93430), (9343, 87780), (12540, 65401), (14630, 56058), (17556, 46715), (18686, 43890), (21945, 37372), (28029, 29260)]