71707920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{587}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 223110720

約数和(自身を除く): 151402800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 509, 587, 1018, 1174, 1527, 1761, 2036, 2348, 2545, 2935, 3054, 3522, 4072, 4696, 5090, 5870, 6108, 7044, 7635, 8144, 8805, 9392, 10180, 11740, 12216, 14088, 15270, 17610, 20360, 23480, 24432, 28176, 30540, 35220, 40720, 46960, 61080, 70440, 122160, 140880, 298783, 597566, 896349, 1195132, 1493915, 1792698, 2390264, 2987830, 3585396, 4481745, 4780528, 5975660, 7170792, 8963490, 11951320, 14341584, 17926980, 23902640, 35853960, 71707920]

約数ペア:

[(1, 71707920), (2, 35853960), (3, 23902640), (4, 17926980), (5, 14341584), (6, 11951320), (8, 8963490), (10, 7170792), (12, 5975660), (15, 4780528), (16, 4481745), (20, 3585396), (24, 2987830), (30, 2390264), (40, 1792698), (48, 1493915), (60, 1195132), (80, 896349), (120, 597566), (240, 298783), (509, 140880), (587, 122160), (1018, 70440), (1174, 61080), (1527, 46960), (1761, 40720), (2036, 35220), (2348, 30540), (2545, 28176), (2935, 24432), (3054, 23480), (3522, 20360), (4072, 17610), (4696, 15270), (5090, 14088), (5870, 12216), (6108, 11740), (7044, 10180), (7635, 9392), (8144, 8805)]