16408920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 55572480

約数和(自身を除く): 39163560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 401, 440, 465, 620, 660, 682, 744, 802, 930, 1023, 1203, 1240, 1320, 1364, 1604, 1705, 1860, 2005, 2046, 2406, 2728, 3208, 3410, 3720, 4010, 4092, 4411, 4812, 5115, 6015, 6820, 8020, 8184, 8822, 9624, 10230, 12030, 12431, 13233, 13640, 16040, 17644, 20460, 22055, 24060, 24862, 26466, 35288, 37293, 40920, 44110, 48120, 49724, 52932, 62155, 66165, 74586, 88220, 99448, 105864, 124310, 132330, 136741, 149172, 176440, 186465, 248620, 264660, 273482, 298344, 372930, 410223, 497240, 529320, 546964, 683705, 745860, 820446, 1093928, 1367410, 1491720, 1640892, 2051115, 2734820, 3281784, 4102230, 5469640, 8204460, 16408920]

約数ペア:

[(1, 16408920), (2, 8204460), (3, 5469640), (4, 4102230), (5, 3281784), (6, 2734820), (8, 2051115), (10, 1640892), (11, 1491720), (12, 1367410), (15, 1093928), (20, 820446), (22, 745860), (24, 683705), (30, 546964), (31, 529320), (33, 497240), (40, 410223), (44, 372930), (55, 298344), (60, 273482), (62, 264660), (66, 248620), (88, 186465), (93, 176440), (110, 149172), (120, 136741), (124, 132330), (132, 124310), (155, 105864), (165, 99448), (186, 88220), (220, 74586), (248, 66165), (264, 62155), (310, 52932), (330, 49724), (341, 48120), (372, 44110), (401, 40920), (440, 37293), (465, 35288), (620, 26466), (660, 24862), (682, 24060), (744, 22055), (802, 20460), (930, 17644), (1023, 16040), (1203, 13640), (1240, 13233), (1320, 12431), (1364, 12030), (1604, 10230), (1705, 9624), (1860, 8822), (2005, 8184), (2046, 8020), (2406, 6820), (2728, 6015), (3208, 5115), (3410, 4812), (3720, 4411), (4010, 4092)]