198811680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 144

約数和(自身を含む): 648611712

約数和(自身を除く): 449800032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 431, 465, 480, 496, 620, 744, 862, 930, 961, 992, 1240, 1293, 1488, 1724, 1860, 1922, 2155, 2480, 2586, 2883, 2976, 3448, 3720, 3844, 4310, 4805, 4960, 5172, 5766, 6465, 6896, 7440, 7688, 8620, 9610, 10344, 11532, 12930, 13361, 13792, 14415, 14880, 15376, 17240, 19220, 20688, 23064, 25860, 26722, 28830, 30752, 34480, 38440, 40083, 41376, 46128, 51720, 53444, 57660, 66805, 68960, 76880, 80166, 92256, 103440, 106888, 115320, 133610, 153760, 160332, 200415, 206880, 213776, 230640, 267220, 320664, 400830, 414191, 427552, 461280, 534440, 641328, 801660, 828382, 1068880, 1242573, 1282656, 1603320, 1656764, 2070955, 2137760, 2485146, 3206640, 3313528, 4141910, 4970292, 6212865, 6413280, 6627056, 8283820, 9940584, 12425730, 13254112, 16567640, 19881168, 24851460, 33135280, 39762336, 49702920, 66270560, 99405840, 198811680]

約数ペア:

[(1, 198811680), (2, 99405840), (3, 66270560), (4, 49702920), (5, 39762336), (6, 33135280), (8, 24851460), (10, 19881168), (12, 16567640), (15, 13254112), (16, 12425730), (20, 9940584), (24, 8283820), (30, 6627056), (31, 6413280), (32, 6212865), (40, 4970292), (48, 4141910), (60, 3313528), (62, 3206640), (80, 2485146), (93, 2137760), (96, 2070955), (120, 1656764), (124, 1603320), (155, 1282656), (160, 1242573), (186, 1068880), (240, 828382), (248, 801660), (310, 641328), (372, 534440), (431, 461280), (465, 427552), (480, 414191), (496, 400830), (620, 320664), (744, 267220), (862, 230640), (930, 213776), (961, 206880), (992, 200415), (1240, 160332), (1293, 153760), (1488, 133610), (1724, 115320), (1860, 106888), (1922, 103440), (2155, 92256), (2480, 80166), (2586, 76880), (2883, 68960), (2976, 66805), (3448, 57660), (3720, 53444), (3844, 51720), (4310, 46128), (4805, 41376), (4960, 40083), (5172, 38440), (5766, 34480), (6465, 30752), (6896, 28830), (7440, 26722), (7688, 25860), (8620, 23064), (9610, 20688), (10344, 19220), (11532, 17240), (12930, 15376), (13361, 14880), (13792, 14415)]