16782780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 55480320

約数和(自身を除く): 38697540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1289, 1302, 1860, 2170, 2578, 2604, 3255, 3867, 4340, 5156, 6445, 6510, 7734, 9023, 12890, 13020, 15468, 18046, 19335, 25780, 27069, 36092, 38670, 39959, 45115, 54138, 77340, 79918, 90230, 108276, 119877, 135345, 159836, 180460, 199795, 239754, 270690, 279713, 399590, 479508, 541380, 559426, 599385, 799180, 839139, 1118852, 1198770, 1398565, 1678278, 2397540, 2797130, 3356556, 4195695, 5594260, 8391390, 16782780]

約数ペア:

[(1, 16782780), (2, 8391390), (3, 5594260), (4, 4195695), (5, 3356556), (6, 2797130), (7, 2397540), (10, 1678278), (12, 1398565), (14, 1198770), (15, 1118852), (20, 839139), (21, 799180), (28, 599385), (30, 559426), (31, 541380), (35, 479508), (42, 399590), (60, 279713), (62, 270690), (70, 239754), (84, 199795), (93, 180460), (105, 159836), (124, 135345), (140, 119877), (155, 108276), (186, 90230), (210, 79918), (217, 77340), (310, 54138), (372, 45115), (420, 39959), (434, 38670), (465, 36092), (620, 27069), (651, 25780), (868, 19335), (930, 18046), (1085, 15468), (1289, 13020), (1302, 12890), (1860, 9023), (2170, 7734), (2578, 6510), (2604, 6445), (3255, 5156), (3867, 4340)]