205554180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8501}}^1$

素因数の和:8557

約数の個数: 96

約数和(自身を含む): 639894528

約数和(自身を除く): 434340348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 8501, 12090, 17002, 24180, 25503, 34004, 42505, 51006, 85010, 102012, 110513, 127515, 170020, 221026, 255030, 263531, 331539, 442052, 510060, 527062, 552565, 663078, 790593, 1054124, 1105130, 1317655, 1326156, 1581186, 1657695, 2210260, 2635310, 3162372, 3315390, 3425903, 3952965, 5270620, 6630780, 6851806, 7905930, 10277709, 13703612, 15811860, 17129515, 20555418, 34259030, 41110836, 51388545, 68518060, 102777090, 205554180]

約数ペア:

[(1, 205554180), (2, 102777090), (3, 68518060), (4, 51388545), (5, 41110836), (6, 34259030), (10, 20555418), (12, 17129515), (13, 15811860), (15, 13703612), (20, 10277709), (26, 7905930), (30, 6851806), (31, 6630780), (39, 5270620), (52, 3952965), (60, 3425903), (62, 3315390), (65, 3162372), (78, 2635310), (93, 2210260), (124, 1657695), (130, 1581186), (155, 1326156), (156, 1317655), (186, 1105130), (195, 1054124), (260, 790593), (310, 663078), (372, 552565), (390, 527062), (403, 510060), (465, 442052), (620, 331539), (780, 263531), (806, 255030), (930, 221026), (1209, 170020), (1612, 127515), (1860, 110513), (2015, 102012), (2418, 85010), (4030, 51006), (4836, 42505), (6045, 34004), (8060, 25503), (8501, 24180), (12090, 17002)]