1972572160

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:312

約数の個数: 208

約数和(自身を含む): 5284177920

約数和(自身を除く): 3311605760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 239, 248, 256, 260, 310, 320, 403, 416, 478, 496, 512, 520, 620, 640, 806, 832, 956, 992, 1024, 1040, 1195, 1240, 1280, 1612, 1664, 1912, 1984, 2015, 2048, 2080, 2390, 2480, 2560, 3107, 3224, 3328, 3824, 3968, 4030, 4096, 4160, 4780, 4960, 5120, 6214, 6448, 6656, 7409, 7648, 7936, 8060, 8320, 9560, 9920, 10240, 12428, 12896, 13312, 14818, 15296, 15535, 15872, 16120, 16640, 19120, 19840, 20480, 24856, 25792, 26624, 29636, 30592, 31070, 31744, 32240, 33280, 37045, 38240, 39680, 49712, 51584, 53248, 59272, 61184, 62140, 63488, 64480, 66560, 74090, 76480, 79360, 96317, 99424, 103168, 118544, 122368, 124280, 126976, 128960, 133120, 148180, 152960, 158720, 192634, 198848, 206336, 237088, 244736, 248560, 257920, 266240, 296360, 305920, 317440, 385268, 397696, 412672, 474176, 481585, 489472, 497120, 515840, 592720, 611840, 634880, 770536, 795392, 825344, 948352, 963170, 978944, 994240, 1031680, 1185440, 1223680, 1541072, 1590784, 1650688, 1896704, 1926340, 1988480, 2063360, 2370880, 2447360, 3082144, 3181568, 3793408, 3852680, 3976960, 4126720, 4741760, 4894720, 6164288, 6363136, 7586816, 7705360, 7953920, 8253440, 9483520, 12328576, 12726272, 15173632, 15410720, 15907840, 18967040, 24657152, 30347264, 30821440, 31815680, 37934080, 49314304, 61642880, 63631360, 75868160, 98628608, 123285760, 151736320, 197257216, 246571520, 394514432, 493143040, 986286080, 1972572160]

約数ペア:

[(1, 1972572160), (2, 986286080), (4, 493143040), (5, 394514432), (8, 246571520), (10, 197257216), (13, 151736320), (16, 123285760), (20, 98628608), (26, 75868160), (31, 63631360), (32, 61642880), (40, 49314304), (52, 37934080), (62, 31815680), (64, 30821440), (65, 30347264), (80, 24657152), (104, 18967040), (124, 15907840), (128, 15410720), (130, 15173632), (155, 12726272), (160, 12328576), (208, 9483520), (239, 8253440), (248, 7953920), (256, 7705360), (260, 7586816), (310, 6363136), (320, 6164288), (403, 4894720), (416, 4741760), (478, 4126720), (496, 3976960), (512, 3852680), (520, 3793408), (620, 3181568), (640, 3082144), (806, 2447360), (832, 2370880), (956, 2063360), (992, 1988480), (1024, 1926340), (1040, 1896704), (1195, 1650688), (1240, 1590784), (1280, 1541072), (1612, 1223680), (1664, 1185440), (1912, 1031680), (1984, 994240), (2015, 978944), (2048, 963170), (2080, 948352), (2390, 825344), (2480, 795392), (2560, 770536), (3107, 634880), (3224, 611840), (3328, 592720), (3824, 515840), (3968, 497120), (4030, 489472), (4096, 481585), (4160, 474176), (4780, 412672), (4960, 397696), (5120, 385268), (6214, 317440), (6448, 305920), (6656, 296360), (7409, 266240), (7648, 257920), (7936, 248560), (8060, 244736), (8320, 237088), (9560, 206336), (9920, 198848), (10240, 192634), (12428, 158720), (12896, 152960), (13312, 148180), (14818, 133120), (15296, 128960), (15535, 126976), (15872, 124280), (16120, 122368), (16640, 118544), (19120, 103168), (19840, 99424), (20480, 96317), (24856, 79360), (25792, 76480), (26624, 74090), (29636, 66560), (30592, 64480), (31070, 63488), (31744, 62140), (32240, 61184), (33280, 59272), (37045, 53248), (38240, 51584), (39680, 49712)]