210891564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 621610080

約数和(自身を除く): 410718516

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 117, 148, 156, 171, 222, 228, 234, 247, 333, 342, 444, 468, 481, 494, 641, 666, 684, 703, 741, 962, 988, 1282, 1332, 1406, 1443, 1482, 1923, 1924, 2109, 2223, 2564, 2812, 2886, 2964, 3846, 4218, 4329, 4446, 5769, 5772, 6327, 7692, 8333, 8436, 8658, 8892, 9139, 11538, 12179, 12654, 16666, 17316, 18278, 23076, 23717, 24358, 24999, 25308, 27417, 33332, 36537, 36556, 47434, 48716, 49998, 54834, 71151, 73074, 74997, 82251, 94868, 99996, 109611, 109668, 142302, 146148, 149994, 158327, 164502, 213453, 219222, 284604, 299988, 308321, 316654, 329004, 426906, 438444, 450623, 474981, 616642, 633308, 853812, 901246, 924963, 949962, 1233284, 1351869, 1424943, 1802492, 1849926, 1899924, 2703738, 2774889, 2849886, 3699852, 4055607, 5407476, 5549778, 5699772, 5858099, 8111214, 11099556, 11716198, 16222428, 17574297, 23432396, 35148594, 52722891, 70297188, 105445782, 210891564]

約数ペア:

[(1, 210891564), (2, 105445782), (3, 70297188), (4, 52722891), (6, 35148594), (9, 23432396), (12, 17574297), (13, 16222428), (18, 11716198), (19, 11099556), (26, 8111214), (36, 5858099), (37, 5699772), (38, 5549778), (39, 5407476), (52, 4055607), (57, 3699852), (74, 2849886), (76, 2774889), (78, 2703738), (111, 1899924), (114, 1849926), (117, 1802492), (148, 1424943), (156, 1351869), (171, 1233284), (222, 949962), (228, 924963), (234, 901246), (247, 853812), (333, 633308), (342, 616642), (444, 474981), (468, 450623), (481, 438444), (494, 426906), (641, 329004), (666, 316654), (684, 308321), (703, 299988), (741, 284604), (962, 219222), (988, 213453), (1282, 164502), (1332, 158327), (1406, 149994), (1443, 146148), (1482, 142302), (1923, 109668), (1924, 109611), (2109, 99996), (2223, 94868), (2564, 82251), (2812, 74997), (2886, 73074), (2964, 71151), (3846, 54834), (4218, 49998), (4329, 48716), (4446, 47434), (5769, 36556), (5772, 36537), (6327, 33332), (7692, 27417), (8333, 25308), (8436, 24999), (8658, 24358), (8892, 23717), (9139, 23076), (11538, 18278), (12179, 17316), (12654, 16666)]