165712240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 406099008

約数和(自身を除く): 240386768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 113, 115, 184, 226, 230, 368, 452, 460, 565, 797, 904, 920, 1130, 1594, 1808, 1840, 2260, 2599, 3188, 3985, 4520, 5198, 6376, 7970, 9040, 10396, 12752, 12995, 15940, 18331, 20792, 25990, 31880, 36662, 41584, 51980, 63760, 73324, 90061, 91655, 103960, 146648, 180122, 183310, 207920, 293296, 360244, 366620, 450305, 720488, 733240, 900610, 1440976, 1466480, 1801220, 2071403, 3602440, 4142806, 7204880, 8285612, 10357015, 16571224, 20714030, 33142448, 41428060, 82856120, 165712240]

約数ペア:

[(1, 165712240), (2, 82856120), (4, 41428060), (5, 33142448), (8, 20714030), (10, 16571224), (16, 10357015), (20, 8285612), (23, 7204880), (40, 4142806), (46, 3602440), (80, 2071403), (92, 1801220), (113, 1466480), (115, 1440976), (184, 900610), (226, 733240), (230, 720488), (368, 450305), (452, 366620), (460, 360244), (565, 293296), (797, 207920), (904, 183310), (920, 180122), (1130, 146648), (1594, 103960), (1808, 91655), (1840, 90061), (2260, 73324), (2599, 63760), (3188, 51980), (3985, 41584), (4520, 36662), (5198, 31880), (6376, 25990), (7970, 20792), (9040, 18331), (10396, 15940), (12752, 12995)]