68804820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:327

約数の個数: 216

約数和(自身を含む): 252088200

約数和(自身を除く): 183283380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 140, 145, 147, 174, 180, 196, 203, 210, 245, 252, 261, 269, 290, 294, 315, 348, 406, 420, 435, 441, 490, 522, 538, 580, 588, 609, 630, 735, 807, 812, 870, 882, 980, 1015, 1044, 1076, 1218, 1260, 1305, 1345, 1421, 1470, 1614, 1740, 1764, 1827, 1883, 2030, 2205, 2421, 2436, 2610, 2690, 2842, 2940, 3045, 3228, 3654, 3766, 4035, 4060, 4263, 4410, 4842, 5220, 5380, 5649, 5684, 6090, 7105, 7308, 7532, 7801, 8070, 8526, 8820, 9135, 9415, 9684, 11298, 12105, 12180, 12789, 13181, 14210, 15602, 16140, 16947, 17052, 18270, 18830, 21315, 22596, 23403, 24210, 25578, 26362, 28245, 28420, 31204, 33894, 36540, 37660, 39005, 39543, 42630, 46806, 48420, 51156, 52724, 54607, 56490, 63945, 65905, 67788, 70209, 78010, 79086, 84735, 85260, 93612, 109214, 112980, 117015, 118629, 127890, 131810, 140418, 156020, 158172, 163821, 169470, 197715, 218428, 234030, 237258, 255780, 263620, 273035, 280836, 327642, 338940, 351045, 382249, 395430, 468060, 474516, 491463, 546070, 593145, 655284, 702090, 764498, 790860, 819105, 982926, 1092140, 1146747, 1186290, 1404180, 1528996, 1638210, 1911245, 1965852, 2293494, 2372580, 2457315, 3276420, 3440241, 3822490, 4586988, 4914630, 5733735, 6880482, 7644980, 9829260, 11467470, 13760964, 17201205, 22934940, 34402410, 68804820]

約数ペア:

[(1, 68804820), (2, 34402410), (3, 22934940), (4, 17201205), (5, 13760964), (6, 11467470), (7, 9829260), (9, 7644980), (10, 6880482), (12, 5733735), (14, 4914630), (15, 4586988), (18, 3822490), (20, 3440241), (21, 3276420), (28, 2457315), (29, 2372580), (30, 2293494), (35, 1965852), (36, 1911245), (42, 1638210), (45, 1528996), (49, 1404180), (58, 1186290), (60, 1146747), (63, 1092140), (70, 982926), (84, 819105), (87, 790860), (90, 764498), (98, 702090), (105, 655284), (116, 593145), (126, 546070), (140, 491463), (145, 474516), (147, 468060), (174, 395430), (180, 382249), (196, 351045), (203, 338940), (210, 327642), (245, 280836), (252, 273035), (261, 263620), (269, 255780), (290, 237258), (294, 234030), (315, 218428), (348, 197715), (406, 169470), (420, 163821), (435, 158172), (441, 156020), (490, 140418), (522, 131810), (538, 127890), (580, 118629), (588, 117015), (609, 112980), (630, 109214), (735, 93612), (807, 85260), (812, 84735), (870, 79086), (882, 78010), (980, 70209), (1015, 67788), (1044, 65905), (1076, 63945), (1218, 56490), (1260, 54607), (1305, 52724), (1345, 51156), (1421, 48420), (1470, 46806), (1614, 42630), (1740, 39543), (1764, 39005), (1827, 37660), (1883, 36540), (2030, 33894), (2205, 31204), (2421, 28420), (2436, 28245), (2610, 26362), (2690, 25578), (2842, 24210), (2940, 23403), (3045, 22596), (3228, 21315), (3654, 18830), (3766, 18270), (4035, 17052), (4060, 16947), (4263, 16140), (4410, 15602), (4842, 14210), (5220, 13181), (5380, 12789), (5649, 12180), (5684, 12105), (6090, 11298), (7105, 9684), (7308, 9415), (7532, 9135), (7801, 8820), (8070, 8526)]