231289760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 646216704

約数和(自身を除く): 414926944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 160, 170, 208, 211, 221, 248, 260, 272, 310, 340, 403, 416, 422, 442, 496, 520, 527, 544, 620, 680, 806, 844, 884, 992, 1040, 1054, 1055, 1105, 1240, 1360, 1612, 1688, 1768, 2015, 2080, 2108, 2110, 2210, 2480, 2635, 2720, 2743, 3224, 3376, 3536, 3587, 4030, 4216, 4220, 4420, 4960, 5270, 5486, 6448, 6541, 6752, 6851, 7072, 7174, 8060, 8432, 8440, 8840, 10540, 10972, 12896, 13082, 13702, 13715, 14348, 16120, 16864, 16880, 17680, 17935, 21080, 21944, 26164, 27404, 27430, 28696, 32240, 32705, 33760, 34255, 35360, 35870, 42160, 43888, 46631, 52328, 54808, 54860, 57392, 64480, 65410, 68510, 71740, 84320, 85033, 87776, 93262, 104656, 109616, 109720, 111197, 114784, 130820, 137020, 143480, 170066, 186524, 209312, 219232, 219440, 222394, 233155, 261640, 274040, 286960, 340132, 373048, 425165, 438880, 444788, 466310, 523280, 548080, 555985, 573920, 680264, 746096, 850330, 889576, 932620, 1046560, 1096160, 1111970, 1360528, 1445561, 1492192, 1700660, 1779152, 1865240, 2223940, 2721056, 2891122, 3401320, 3558304, 3730480, 4447880, 5782244, 6802640, 7227805, 7460960, 8895760, 11564488, 13605280, 14455610, 17791520, 23128976, 28911220, 46257952, 57822440, 115644880, 231289760]

約数ペア:

[(1, 231289760), (2, 115644880), (4, 57822440), (5, 46257952), (8, 28911220), (10, 23128976), (13, 17791520), (16, 14455610), (17, 13605280), (20, 11564488), (26, 8895760), (31, 7460960), (32, 7227805), (34, 6802640), (40, 5782244), (52, 4447880), (62, 3730480), (65, 3558304), (68, 3401320), (80, 2891122), (85, 2721056), (104, 2223940), (124, 1865240), (130, 1779152), (136, 1700660), (155, 1492192), (160, 1445561), (170, 1360528), (208, 1111970), (211, 1096160), (221, 1046560), (248, 932620), (260, 889576), (272, 850330), (310, 746096), (340, 680264), (403, 573920), (416, 555985), (422, 548080), (442, 523280), (496, 466310), (520, 444788), (527, 438880), (544, 425165), (620, 373048), (680, 340132), (806, 286960), (844, 274040), (884, 261640), (992, 233155), (1040, 222394), (1054, 219440), (1055, 219232), (1105, 209312), (1240, 186524), (1360, 170066), (1612, 143480), (1688, 137020), (1768, 130820), (2015, 114784), (2080, 111197), (2108, 109720), (2110, 109616), (2210, 104656), (2480, 93262), (2635, 87776), (2720, 85033), (2743, 84320), (3224, 71740), (3376, 68510), (3536, 65410), (3587, 64480), (4030, 57392), (4216, 54860), (4220, 54808), (4420, 52328), (4960, 46631), (5270, 43888), (5486, 42160), (6448, 35870), (6541, 35360), (6752, 34255), (6851, 33760), (7072, 32705), (7174, 32240), (8060, 28696), (8432, 27430), (8440, 27404), (8840, 26164), (10540, 21944), (10972, 21080), (12896, 17935), (13082, 17680), (13702, 16880), (13715, 16864), (14348, 16120)]