28854540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 110073600

約数和(自身を除く): 81219060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 19, 20, 22, 26, 30, 33, 36, 38, 39, 44, 45, 52, 55, 57, 59, 60, 65, 66, 76, 78, 90, 95, 99, 110, 114, 117, 118, 130, 132, 143, 156, 165, 171, 177, 180, 190, 195, 198, 209, 220, 228, 234, 236, 247, 260, 285, 286, 295, 330, 342, 354, 380, 390, 396, 418, 429, 468, 494, 495, 531, 570, 572, 585, 590, 627, 649, 660, 684, 708, 715, 741, 767, 780, 836, 855, 858, 885, 988, 990, 1045, 1062, 1121, 1140, 1170, 1180, 1235, 1254, 1287, 1298, 1430, 1482, 1534, 1710, 1716, 1770, 1881, 1947, 1980, 2090, 2124, 2145, 2223, 2242, 2301, 2340, 2470, 2508, 2574, 2596, 2655, 2717, 2860, 2964, 3068, 3135, 3245, 3363, 3420, 3540, 3705, 3762, 3835, 3894, 4180, 4290, 4446, 4484, 4602, 4940, 5148, 5310, 5434, 5605, 5841, 6270, 6435, 6490, 6726, 6903, 7410, 7524, 7670, 7788, 8151, 8437, 8580, 8892, 9204, 9405, 9735, 10089, 10620, 10868, 11115, 11210, 11505, 11682, 12331, 12540, 12870, 12980, 13452, 13585, 13806, 14573, 14820, 15340, 16302, 16815, 16874, 18810, 19470, 20178, 22230, 22420, 23010, 23364, 24453, 24662, 25311, 25740, 27170, 27612, 29146, 29205, 32604, 33630, 33748, 34515, 36993, 37620, 38940, 40356, 40755, 42185, 43719, 44460, 46020, 48906, 49324, 50445, 50622, 54340, 58292, 58410, 61655, 67260, 69030, 72865, 73986, 75933, 81510, 84370, 87438, 97812, 100890, 101244, 110979, 116820, 122265, 123310, 126555, 131157, 138060, 145730, 147972, 151866, 160303, 163020, 168740, 174876, 184965, 201780, 218595, 221958, 244530, 246620, 253110, 262314, 291460, 303732, 320606, 369930, 379665, 437190, 443916, 480909, 489060, 506220, 524628, 554895, 641212, 655785, 739860, 759330, 801515, 874380, 961818, 1109790, 1311570, 1442727, 1518660, 1603030, 1923636, 2219580, 2404545, 2623140, 2885454, 3206060, 4809090, 5770908, 7213635, 9618180, 14427270, 28854540]

約数ペア:

[(1, 28854540), (2, 14427270), (3, 9618180), (4, 7213635), (5, 5770908), (6, 4809090), (9, 3206060), (10, 2885454), (11, 2623140), (12, 2404545), (13, 2219580), (15, 1923636), (18, 1603030), (19, 1518660), (20, 1442727), (22, 1311570), (26, 1109790), (30, 961818), (33, 874380), (36, 801515), (38, 759330), (39, 739860), (44, 655785), (45, 641212), (52, 554895), (55, 524628), (57, 506220), (59, 489060), (60, 480909), (65, 443916), (66, 437190), (76, 379665), (78, 369930), (90, 320606), (95, 303732), (99, 291460), (110, 262314), (114, 253110), (117, 246620), (118, 244530), (130, 221958), (132, 218595), (143, 201780), (156, 184965), (165, 174876), (171, 168740), (177, 163020), (180, 160303), (190, 151866), (195, 147972), (198, 145730), (209, 138060), (220, 131157), (228, 126555), (234, 123310), (236, 122265), (247, 116820), (260, 110979), (285, 101244), (286, 100890), (295, 97812), (330, 87438), (342, 84370), (354, 81510), (380, 75933), (390, 73986), (396, 72865), (418, 69030), (429, 67260), (468, 61655), (494, 58410), (495, 58292), (531, 54340), (570, 50622), (572, 50445), (585, 49324), (590, 48906), (627, 46020), (649, 44460), (660, 43719), (684, 42185), (708, 40755), (715, 40356), (741, 38940), (767, 37620), (780, 36993), (836, 34515), (855, 33748), (858, 33630), (885, 32604), (988, 29205), (990, 29146), (1045, 27612), (1062, 27170), (1121, 25740), (1140, 25311), (1170, 24662), (1180, 24453), (1235, 23364), (1254, 23010), (1287, 22420), (1298, 22230), (1430, 20178), (1482, 19470), (1534, 18810), (1710, 16874), (1716, 16815), (1770, 16302), (1881, 15340), (1947, 14820), (1980, 14573), (2090, 13806), (2124, 13585), (2145, 13452), (2223, 12980), (2242, 12870), (2301, 12540), (2340, 12331), (2470, 11682), (2508, 11505), (2574, 11210), (2596, 11115), (2655, 10868), (2717, 10620), (2860, 10089), (2964, 9735), (3068, 9405), (3135, 9204), (3245, 8892), (3363, 8580), (3420, 8437), (3540, 8151), (3705, 7788), (3762, 7670), (3835, 7524), (3894, 7410), (4180, 6903), (4290, 6726), (4446, 6490), (4484, 6435), (4602, 6270), (4940, 5841), (5148, 5605), (5310, 5434)]