211720860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 696949344

約数和(自身を除く): 485228484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 173, 180, 195, 234, 260, 346, 390, 468, 519, 523, 585, 692, 780, 865, 1038, 1046, 1170, 1557, 1569, 1730, 2076, 2092, 2249, 2340, 2595, 2615, 3114, 3138, 3460, 4498, 4707, 5190, 5230, 6228, 6276, 6747, 6799, 7785, 7845, 8996, 9414, 10380, 10460, 11245, 13494, 13598, 15570, 15690, 18828, 20241, 20397, 22490, 23535, 26988, 27196, 31140, 31380, 33735, 33995, 40482, 40794, 44980, 47070, 61191, 67470, 67990, 80964, 81588, 90479, 94140, 101205, 101985, 122382, 134940, 135980, 180958, 202410, 203970, 244764, 271437, 305955, 361916, 404820, 407940, 452395, 542874, 611910, 814311, 904790, 1085748, 1176227, 1223820, 1357185, 1628622, 1809580, 2352454, 2714370, 3257244, 3528681, 4071555, 4704908, 5428740, 5881135, 7057362, 8143110, 10586043, 11762270, 14114724, 16286220, 17643405, 21172086, 23524540, 35286810, 42344172, 52930215, 70573620, 105860430, 211720860]

約数ペア:

[(1, 211720860), (2, 105860430), (3, 70573620), (4, 52930215), (5, 42344172), (6, 35286810), (9, 23524540), (10, 21172086), (12, 17643405), (13, 16286220), (15, 14114724), (18, 11762270), (20, 10586043), (26, 8143110), (30, 7057362), (36, 5881135), (39, 5428740), (45, 4704908), (52, 4071555), (60, 3528681), (65, 3257244), (78, 2714370), (90, 2352454), (117, 1809580), (130, 1628622), (156, 1357185), (173, 1223820), (180, 1176227), (195, 1085748), (234, 904790), (260, 814311), (346, 611910), (390, 542874), (468, 452395), (519, 407940), (523, 404820), (585, 361916), (692, 305955), (780, 271437), (865, 244764), (1038, 203970), (1046, 202410), (1170, 180958), (1557, 135980), (1569, 134940), (1730, 122382), (2076, 101985), (2092, 101205), (2249, 94140), (2340, 90479), (2595, 81588), (2615, 80964), (3114, 67990), (3138, 67470), (3460, 61191), (4498, 47070), (4707, 44980), (5190, 40794), (5230, 40482), (6228, 33995), (6276, 33735), (6747, 31380), (6799, 31140), (7785, 27196), (7845, 26988), (8996, 23535), (9414, 22490), (10380, 20397), (10460, 20241), (11245, 18828), (13494, 15690), (13598, 15570)]