215380440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:562

約数の個数: 192

約数和(自身を含む): 771132960

約数和(自身を除く): 555752520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 137, 165, 180, 198, 220, 264, 274, 330, 360, 396, 397, 411, 440, 495, 548, 660, 685, 792, 794, 822, 990, 1096, 1191, 1233, 1320, 1370, 1507, 1588, 1644, 1980, 1985, 2055, 2382, 2466, 2740, 3014, 3176, 3288, 3573, 3960, 3970, 4110, 4367, 4521, 4764, 4932, 5480, 5955, 6028, 6165, 7146, 7535, 7940, 8220, 8734, 9042, 9528, 9864, 11910, 12056, 12330, 13101, 13563, 14292, 15070, 15880, 16440, 17468, 17865, 18084, 21835, 22605, 23820, 24660, 26202, 27126, 28584, 30140, 34936, 35730, 36168, 39303, 43670, 45210, 47640, 49320, 52404, 54252, 54389, 60280, 65505, 67815, 71460, 78606, 87340, 90420, 104808, 108504, 108778, 131010, 135630, 142920, 157212, 163167, 174680, 180840, 196515, 217556, 262020, 271260, 271945, 314424, 326334, 393030, 435112, 489501, 524040, 542520, 543890, 598279, 652668, 786060, 815835, 979002, 1087780, 1196558, 1305336, 1572120, 1631670, 1794837, 1958004, 2175560, 2393116, 2447505, 2991395, 3263340, 3589674, 3916008, 4786232, 4895010, 5384511, 5982790, 6526680, 7179348, 8974185, 9790020, 10769022, 11965580, 14358696, 17948370, 19580040, 21538044, 23931160, 26922555, 35896740, 43076088, 53845110, 71793480, 107690220, 215380440]

約数ペア:

[(1, 215380440), (2, 107690220), (3, 71793480), (4, 53845110), (5, 43076088), (6, 35896740), (8, 26922555), (9, 23931160), (10, 21538044), (11, 19580040), (12, 17948370), (15, 14358696), (18, 11965580), (20, 10769022), (22, 9790020), (24, 8974185), (30, 7179348), (33, 6526680), (36, 5982790), (40, 5384511), (44, 4895010), (45, 4786232), (55, 3916008), (60, 3589674), (66, 3263340), (72, 2991395), (88, 2447505), (90, 2393116), (99, 2175560), (110, 1958004), (120, 1794837), (132, 1631670), (137, 1572120), (165, 1305336), (180, 1196558), (198, 1087780), (220, 979002), (264, 815835), (274, 786060), (330, 652668), (360, 598279), (396, 543890), (397, 542520), (411, 524040), (440, 489501), (495, 435112), (548, 393030), (660, 326334), (685, 314424), (792, 271945), (794, 271260), (822, 262020), (990, 217556), (1096, 196515), (1191, 180840), (1233, 174680), (1320, 163167), (1370, 157212), (1507, 142920), (1588, 135630), (1644, 131010), (1980, 108778), (1985, 108504), (2055, 104808), (2382, 90420), (2466, 87340), (2740, 78606), (3014, 71460), (3176, 67815), (3288, 65505), (3573, 60280), (3960, 54389), (3970, 54252), (4110, 52404), (4367, 49320), (4521, 47640), (4764, 45210), (4932, 43670), (5480, 39303), (5955, 36168), (6028, 35730), (6165, 34936), (7146, 30140), (7535, 28584), (7940, 27126), (8220, 26202), (8734, 24660), (9042, 23820), (9528, 22605), (9864, 21835), (11910, 18084), (12056, 17865), (12330, 17468), (13101, 16440), (13563, 15880), (14292, 15070)]