65613940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 173746944

約数和(自身を除く): 108133004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 49, 70, 71, 82, 92, 98, 115, 140, 142, 161, 164, 196, 205, 230, 245, 284, 287, 322, 355, 410, 460, 490, 497, 574, 644, 710, 805, 820, 943, 980, 994, 1127, 1148, 1420, 1435, 1610, 1633, 1886, 1988, 2009, 2254, 2485, 2870, 2911, 3220, 3266, 3479, 3772, 4018, 4508, 4715, 4970, 5635, 5740, 5822, 6532, 6601, 6958, 8036, 8165, 9430, 9940, 10045, 11270, 11431, 11644, 13202, 13916, 14555, 16330, 17395, 18860, 20090, 20377, 22540, 22862, 26404, 29110, 32660, 33005, 34790, 40180, 40754, 45724, 46207, 57155, 58220, 66010, 66953, 69580, 80017, 81508, 92414, 101885, 114310, 132020, 133906, 142639, 160034, 184828, 203770, 228620, 231035, 267812, 285278, 320068, 334765, 400085, 407540, 462070, 468671, 570556, 669530, 713195, 800170, 924140, 937342, 1339060, 1426390, 1600340, 1874684, 2343355, 2852780, 3280697, 4686710, 6561394, 9373420, 13122788, 16403485, 32806970, 65613940]

約数ペア:

[(1, 65613940), (2, 32806970), (4, 16403485), (5, 13122788), (7, 9373420), (10, 6561394), (14, 4686710), (20, 3280697), (23, 2852780), (28, 2343355), (35, 1874684), (41, 1600340), (46, 1426390), (49, 1339060), (70, 937342), (71, 924140), (82, 800170), (92, 713195), (98, 669530), (115, 570556), (140, 468671), (142, 462070), (161, 407540), (164, 400085), (196, 334765), (205, 320068), (230, 285278), (245, 267812), (284, 231035), (287, 228620), (322, 203770), (355, 184828), (410, 160034), (460, 142639), (490, 133906), (497, 132020), (574, 114310), (644, 101885), (710, 92414), (805, 81508), (820, 80017), (943, 69580), (980, 66953), (994, 66010), (1127, 58220), (1148, 57155), (1420, 46207), (1435, 45724), (1610, 40754), (1633, 40180), (1886, 34790), (1988, 33005), (2009, 32660), (2254, 29110), (2485, 26404), (2870, 22862), (2911, 22540), (3220, 20377), (3266, 20090), (3479, 18860), (3772, 17395), (4018, 16330), (4508, 14555), (4715, 13916), (4970, 13202), (5635, 11644), (5740, 11431), (5822, 11270), (6532, 10045), (6601, 9940), (6958, 9430), (8036, 8165)]