40728420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:863

約数の個数: 120

約数和(自身を含む): 132050688

約数和(自身を除く): 91322268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 811, 837, 930, 1116, 1395, 1620, 1622, 1674, 1860, 2433, 2511, 2790, 3244, 3348, 4055, 4185, 4866, 5022, 5580, 7299, 8110, 8370, 9732, 10044, 12165, 12555, 14598, 16220, 16740, 21897, 24330, 25110, 25141, 29196, 36495, 43794, 48660, 50220, 50282, 65691, 72990, 75423, 87588, 100564, 109485, 125705, 131382, 145980, 150846, 218970, 226269, 251410, 262764, 301692, 328455, 377115, 437940, 452538, 502820, 656910, 678807, 754230, 905076, 1131345, 1313820, 1357614, 1508460, 2036421, 2262690, 2715228, 3394035, 4072842, 4525380, 6788070, 8145684, 10182105, 13576140, 20364210, 40728420]

約数ペア:

[(1, 40728420), (2, 20364210), (3, 13576140), (4, 10182105), (5, 8145684), (6, 6788070), (9, 4525380), (10, 4072842), (12, 3394035), (15, 2715228), (18, 2262690), (20, 2036421), (27, 1508460), (30, 1357614), (31, 1313820), (36, 1131345), (45, 905076), (54, 754230), (60, 678807), (62, 656910), (81, 502820), (90, 452538), (93, 437940), (108, 377115), (124, 328455), (135, 301692), (155, 262764), (162, 251410), (180, 226269), (186, 218970), (270, 150846), (279, 145980), (310, 131382), (324, 125705), (372, 109485), (405, 100564), (465, 87588), (540, 75423), (558, 72990), (620, 65691), (810, 50282), (811, 50220), (837, 48660), (930, 43794), (1116, 36495), (1395, 29196), (1620, 25141), (1622, 25110), (1674, 24330), (1860, 21897), (2433, 16740), (2511, 16220), (2790, 14598), (3244, 12555), (3348, 12165), (4055, 10044), (4185, 9732), (4866, 8370), (5022, 8110), (5580, 7299)]