121615520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1078

約数の個数: 96

約数和(自身を含む): 314979840

約数和(自身を除く): 193364320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 416, 472, 520, 590, 767, 944, 991, 1040, 1180, 1534, 1888, 1982, 2080, 2360, 3068, 3835, 3964, 4720, 4955, 6136, 7670, 7928, 9440, 9910, 12272, 12883, 15340, 15856, 19820, 24544, 25766, 30680, 31712, 39640, 51532, 58469, 61360, 64415, 79280, 103064, 116938, 122720, 128830, 158560, 206128, 233876, 257660, 292345, 412256, 467752, 515320, 584690, 760097, 935504, 1030640, 1169380, 1520194, 1871008, 2061280, 2338760, 3040388, 3800485, 4677520, 6080776, 7600970, 9355040, 12161552, 15201940, 24323104, 30403880, 60807760, 121615520]

約数ペア:

[(1, 121615520), (2, 60807760), (4, 30403880), (5, 24323104), (8, 15201940), (10, 12161552), (13, 9355040), (16, 7600970), (20, 6080776), (26, 4677520), (32, 3800485), (40, 3040388), (52, 2338760), (59, 2061280), (65, 1871008), (80, 1520194), (104, 1169380), (118, 1030640), (130, 935504), (160, 760097), (208, 584690), (236, 515320), (260, 467752), (295, 412256), (416, 292345), (472, 257660), (520, 233876), (590, 206128), (767, 158560), (944, 128830), (991, 122720), (1040, 116938), (1180, 103064), (1534, 79280), (1888, 64415), (1982, 61360), (2080, 58469), (2360, 51532), (3068, 39640), (3835, 31712), (3964, 30680), (4720, 25766), (4955, 24544), (6136, 19820), (7670, 15856), (7928, 15340), (9440, 12883), (9910, 12272)]