160211720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2838

約数の個数: 64

約数和(自身を含む): 380160000

約数和(自身を除く): 219948280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2749, 2914, 5498, 5828, 7285, 10996, 11656, 13745, 14570, 21992, 27490, 29140, 54980, 58280, 85219, 109960, 129203, 170438, 258406, 340876, 426095, 516812, 646015, 681752, 852190, 1033624, 1292030, 1704380, 2584060, 3408760, 4005293, 5168120, 8010586, 16021172, 20026465, 32042344, 40052930, 80105860, 160211720]

約数ペア:

[(1, 160211720), (2, 80105860), (4, 40052930), (5, 32042344), (8, 20026465), (10, 16021172), (20, 8010586), (31, 5168120), (40, 4005293), (47, 3408760), (62, 2584060), (94, 1704380), (124, 1292030), (155, 1033624), (188, 852190), (235, 681752), (248, 646015), (310, 516812), (376, 426095), (470, 340876), (620, 258406), (940, 170438), (1240, 129203), (1457, 109960), (1880, 85219), (2749, 58280), (2914, 54980), (5498, 29140), (5828, 27490), (7285, 21992), (10996, 14570), (11656, 13745)]