217706580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13291}}^1$

素因数の和:13326

約数の個数: 144

約数和(自身を含む): 812832384

約数和(自身を除く): 595125804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 13291, 16380, 26582, 39873, 53164, 66455, 79746, 93037, 119619, 132910, 159492, 172783, 186074, 199365, 239238, 265820, 279111, 345566, 372148, 398730, 465185, 478476, 518349, 558222, 598095, 691132, 797460, 837333, 863915, 930370, 1036698, 1116444, 1196190, 1209481, 1395555, 1555047, 1674666, 1727830, 1860740, 2073396, 2392380, 2418962, 2591745, 2791110, 3110094, 3349332, 3455660, 3628443, 4186665, 4837924, 5183490, 5582220, 6047405, 6220188, 7256886, 7775235, 8373330, 10366980, 10885329, 12094810, 14513772, 15550470, 16746660, 18142215, 21770658, 24189620, 31100940, 36284430, 43541316, 54426645, 72568860, 108853290, 217706580]

約数ペア:

[(1, 217706580), (2, 108853290), (3, 72568860), (4, 54426645), (5, 43541316), (6, 36284430), (7, 31100940), (9, 24189620), (10, 21770658), (12, 18142215), (13, 16746660), (14, 15550470), (15, 14513772), (18, 12094810), (20, 10885329), (21, 10366980), (26, 8373330), (28, 7775235), (30, 7256886), (35, 6220188), (36, 6047405), (39, 5582220), (42, 5183490), (45, 4837924), (52, 4186665), (60, 3628443), (63, 3455660), (65, 3349332), (70, 3110094), (78, 2791110), (84, 2591745), (90, 2418962), (91, 2392380), (105, 2073396), (117, 1860740), (126, 1727830), (130, 1674666), (140, 1555047), (156, 1395555), (180, 1209481), (182, 1196190), (195, 1116444), (210, 1036698), (234, 930370), (252, 863915), (260, 837333), (273, 797460), (315, 691132), (364, 598095), (390, 558222), (420, 518349), (455, 478476), (468, 465185), (546, 398730), (585, 372148), (630, 345566), (780, 279111), (819, 265820), (910, 239238), (1092, 199365), (1170, 186074), (1260, 172783), (1365, 159492), (1638, 132910), (1820, 119619), (2340, 93037), (2730, 79746), (3276, 66455), (4095, 53164), (5460, 39873), (8190, 26582), (13291, 16380)]