278278320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:491

約数の個数: 160

約数和(自身を含む): 901085184

約数和(自身を除く): 622806864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 113, 120, 124, 155, 186, 226, 240, 248, 310, 331, 339, 372, 452, 465, 496, 565, 620, 662, 678, 744, 904, 930, 993, 1130, 1240, 1324, 1356, 1488, 1655, 1695, 1808, 1860, 1986, 2260, 2480, 2648, 2712, 3310, 3390, 3503, 3720, 3972, 4520, 4965, 5296, 5424, 6620, 6780, 7006, 7440, 7944, 9040, 9930, 10261, 10509, 13240, 13560, 14012, 15888, 17515, 19860, 20522, 21018, 26480, 27120, 28024, 30783, 35030, 37403, 39720, 41044, 42036, 51305, 52545, 56048, 61566, 70060, 74806, 79440, 82088, 84072, 102610, 105090, 112209, 123132, 140120, 149612, 153915, 164176, 168144, 187015, 205220, 210180, 224418, 246264, 280240, 299224, 307830, 374030, 410440, 420360, 448836, 492528, 561045, 598448, 615660, 748060, 820880, 840720, 897672, 1122090, 1159493, 1231320, 1496120, 1795344, 2244180, 2318986, 2462640, 2992240, 3478479, 4488360, 4637972, 5797465, 6956958, 8976720, 9275944, 11594930, 13913916, 17392395, 18551888, 23189860, 27827832, 34784790, 46379720, 55655664, 69569580, 92759440, 139139160, 278278320]

約数ペア:

[(1, 278278320), (2, 139139160), (3, 92759440), (4, 69569580), (5, 55655664), (6, 46379720), (8, 34784790), (10, 27827832), (12, 23189860), (15, 18551888), (16, 17392395), (20, 13913916), (24, 11594930), (30, 9275944), (31, 8976720), (40, 6956958), (48, 5797465), (60, 4637972), (62, 4488360), (80, 3478479), (93, 2992240), (113, 2462640), (120, 2318986), (124, 2244180), (155, 1795344), (186, 1496120), (226, 1231320), (240, 1159493), (248, 1122090), (310, 897672), (331, 840720), (339, 820880), (372, 748060), (452, 615660), (465, 598448), (496, 561045), (565, 492528), (620, 448836), (662, 420360), (678, 410440), (744, 374030), (904, 307830), (930, 299224), (993, 280240), (1130, 246264), (1240, 224418), (1324, 210180), (1356, 205220), (1488, 187015), (1655, 168144), (1695, 164176), (1808, 153915), (1860, 149612), (1986, 140120), (2260, 123132), (2480, 112209), (2648, 105090), (2712, 102610), (3310, 84072), (3390, 82088), (3503, 79440), (3720, 74806), (3972, 70060), (4520, 61566), (4965, 56048), (5296, 52545), (5424, 51305), (6620, 42036), (6780, 41044), (7006, 39720), (7440, 37403), (7944, 35030), (9040, 30783), (9930, 28024), (10261, 27120), (10509, 26480), (13240, 21018), (13560, 20522), (14012, 19860), (15888, 17515)]