217638120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2377}}^1$

素因数の和:2507

約数の個数: 128

約数和(自身を含む): 753350400

約数和(自身を除く): 535712280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 2180, 2289, 2377, 2616, 3052, 3270, 3815, 4360, 4578, 4754, 6104, 6540, 7131, 7630, 9156, 9508, 11445, 11885, 13080, 14262, 15260, 16639, 18312, 19016, 22890, 23770, 28524, 30520, 33278, 35655, 45780, 47540, 49917, 57048, 66556, 71310, 83195, 91560, 95080, 99834, 133112, 142620, 166390, 199668, 249585, 259093, 285240, 332780, 399336, 499170, 518186, 665560, 777279, 998340, 1036372, 1295465, 1554558, 1813651, 1996680, 2072744, 2590930, 3109116, 3627302, 3886395, 5181860, 5440953, 6218232, 7254604, 7772790, 9068255, 10363720, 10881906, 14509208, 15545580, 18136510, 21763812, 27204765, 31091160, 36273020, 43527624, 54409530, 72546040, 108819060, 217638120]

約数ペア:

[(1, 217638120), (2, 108819060), (3, 72546040), (4, 54409530), (5, 43527624), (6, 36273020), (7, 31091160), (8, 27204765), (10, 21763812), (12, 18136510), (14, 15545580), (15, 14509208), (20, 10881906), (21, 10363720), (24, 9068255), (28, 7772790), (30, 7254604), (35, 6218232), (40, 5440953), (42, 5181860), (56, 3886395), (60, 3627302), (70, 3109116), (84, 2590930), (105, 2072744), (109, 1996680), (120, 1813651), (140, 1554558), (168, 1295465), (210, 1036372), (218, 998340), (280, 777279), (327, 665560), (420, 518186), (436, 499170), (545, 399336), (654, 332780), (763, 285240), (840, 259093), (872, 249585), (1090, 199668), (1308, 166390), (1526, 142620), (1635, 133112), (2180, 99834), (2289, 95080), (2377, 91560), (2616, 83195), (3052, 71310), (3270, 66556), (3815, 57048), (4360, 49917), (4578, 47540), (4754, 45780), (6104, 35655), (6540, 33278), (7131, 30520), (7630, 28524), (9156, 23770), (9508, 22890), (11445, 19016), (11885, 18312), (13080, 16639), (14262, 15260)]