204834420

素因数分解:

$2^2\times 3^8\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 740673024

約数和(自身を除く): 535838604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 223, 243, 252, 270, 315, 324, 378, 405, 420, 446, 486, 540, 567, 630, 669, 729, 756, 810, 892, 945, 972, 1115, 1134, 1215, 1260, 1338, 1458, 1561, 1620, 1701, 1890, 2007, 2187, 2230, 2268, 2430, 2676, 2835, 2916, 3122, 3345, 3402, 3645, 3780, 4014, 4374, 4460, 4683, 4860, 5103, 5670, 6021, 6244, 6561, 6690, 6804, 7290, 7805, 8028, 8505, 8748, 9366, 10035, 10206, 10935, 11340, 12042, 13122, 13380, 14049, 14580, 15309, 15610, 17010, 18063, 18732, 20070, 20412, 21870, 23415, 24084, 25515, 26244, 28098, 30105, 30618, 31220, 32805, 34020, 36126, 40140, 42147, 43740, 45927, 46830, 51030, 54189, 56196, 60210, 61236, 65610, 70245, 72252, 76545, 84294, 90315, 91854, 93660, 102060, 108378, 120420, 126441, 131220, 140490, 153090, 162567, 168588, 180630, 183708, 210735, 216756, 229635, 252882, 270945, 280980, 306180, 325134, 361260, 379323, 421470, 459270, 487701, 505764, 541890, 632205, 650268, 758646, 812835, 842940, 918540, 975402, 1083780, 1137969, 1264410, 1463103, 1517292, 1625670, 1896615, 1950804, 2275938, 2438505, 2528820, 2926206, 3251340, 3413907, 3793230, 4551876, 4877010, 5689845, 5852412, 6827814, 7315515, 7586460, 9754020, 10241721, 11379690, 13655628, 14631030, 17069535, 20483442, 22759380, 29262060, 34139070, 40966884, 51208605, 68278140, 102417210, 204834420]

約数ペア:

[(1, 204834420), (2, 102417210), (3, 68278140), (4, 51208605), (5, 40966884), (6, 34139070), (7, 29262060), (9, 22759380), (10, 20483442), (12, 17069535), (14, 14631030), (15, 13655628), (18, 11379690), (20, 10241721), (21, 9754020), (27, 7586460), (28, 7315515), (30, 6827814), (35, 5852412), (36, 5689845), (42, 4877010), (45, 4551876), (54, 3793230), (60, 3413907), (63, 3251340), (70, 2926206), (81, 2528820), (84, 2438505), (90, 2275938), (105, 1950804), (108, 1896615), (126, 1625670), (135, 1517292), (140, 1463103), (162, 1264410), (180, 1137969), (189, 1083780), (210, 975402), (223, 918540), (243, 842940), (252, 812835), (270, 758646), (315, 650268), (324, 632205), (378, 541890), (405, 505764), (420, 487701), (446, 459270), (486, 421470), (540, 379323), (567, 361260), (630, 325134), (669, 306180), (729, 280980), (756, 270945), (810, 252882), (892, 229635), (945, 216756), (972, 210735), (1115, 183708), (1134, 180630), (1215, 168588), (1260, 162567), (1338, 153090), (1458, 140490), (1561, 131220), (1620, 126441), (1701, 120420), (1890, 108378), (2007, 102060), (2187, 93660), (2230, 91854), (2268, 90315), (2430, 84294), (2676, 76545), (2835, 72252), (2916, 70245), (3122, 65610), (3345, 61236), (3402, 60210), (3645, 56196), (3780, 54189), (4014, 51030), (4374, 46830), (4460, 45927), (4683, 43740), (4860, 42147), (5103, 40140), (5670, 36126), (6021, 34020), (6244, 32805), (6561, 31220), (6690, 30618), (6804, 30105), (7290, 28098), (7805, 26244), (8028, 25515), (8505, 24084), (8748, 23415), (9366, 21870), (10035, 20412), (10206, 20070), (10935, 18732), (11340, 18063), (12042, 17010), (13122, 15610), (13380, 15309), (14049, 14580)]