68646060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 249224976

約数和(自身を除く): 180578916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 49, 60, 63, 70, 84, 86, 90, 98, 105, 126, 129, 140, 147, 172, 180, 181, 196, 210, 215, 245, 252, 258, 294, 301, 315, 362, 387, 420, 430, 441, 490, 516, 543, 588, 602, 630, 645, 724, 735, 774, 860, 882, 903, 905, 980, 1086, 1204, 1260, 1267, 1290, 1470, 1505, 1548, 1629, 1764, 1806, 1810, 1935, 2107, 2172, 2205, 2534, 2580, 2709, 2715, 2940, 3010, 3258, 3612, 3620, 3801, 3870, 4214, 4410, 4515, 5068, 5418, 5430, 6020, 6321, 6335, 6516, 7602, 7740, 7783, 8145, 8428, 8820, 8869, 9030, 10535, 10836, 10860, 11403, 12642, 12670, 13545, 15204, 15566, 16290, 17738, 18060, 18963, 19005, 21070, 22806, 23349, 25284, 25340, 26607, 27090, 31132, 31605, 32580, 35476, 37926, 38010, 38915, 42140, 44345, 45612, 46698, 53214, 54180, 54481, 57015, 63210, 70047, 75852, 76020, 77830, 79821, 88690, 93396, 94815, 106428, 108962, 114030, 116745, 126420, 133035, 140094, 155660, 159642, 163443, 177380, 189630, 217924, 228060, 233490, 266070, 272405, 280188, 319284, 326886, 350235, 379260, 381367, 399105, 466980, 490329, 532140, 544810, 653772, 700470, 762734, 798210, 817215, 980658, 1089620, 1144101, 1400940, 1525468, 1596420, 1634430, 1906835, 1961316, 2288202, 2451645, 3268860, 3432303, 3813670, 4576404, 4903290, 5720505, 6864606, 7627340, 9806580, 11441010, 13729212, 17161515, 22882020, 34323030, 68646060]

約数ペア:

[(1, 68646060), (2, 34323030), (3, 22882020), (4, 17161515), (5, 13729212), (6, 11441010), (7, 9806580), (9, 7627340), (10, 6864606), (12, 5720505), (14, 4903290), (15, 4576404), (18, 3813670), (20, 3432303), (21, 3268860), (28, 2451645), (30, 2288202), (35, 1961316), (36, 1906835), (42, 1634430), (43, 1596420), (45, 1525468), (49, 1400940), (60, 1144101), (63, 1089620), (70, 980658), (84, 817215), (86, 798210), (90, 762734), (98, 700470), (105, 653772), (126, 544810), (129, 532140), (140, 490329), (147, 466980), (172, 399105), (180, 381367), (181, 379260), (196, 350235), (210, 326886), (215, 319284), (245, 280188), (252, 272405), (258, 266070), (294, 233490), (301, 228060), (315, 217924), (362, 189630), (387, 177380), (420, 163443), (430, 159642), (441, 155660), (490, 140094), (516, 133035), (543, 126420), (588, 116745), (602, 114030), (630, 108962), (645, 106428), (724, 94815), (735, 93396), (774, 88690), (860, 79821), (882, 77830), (903, 76020), (905, 75852), (980, 70047), (1086, 63210), (1204, 57015), (1260, 54481), (1267, 54180), (1290, 53214), (1470, 46698), (1505, 45612), (1548, 44345), (1629, 42140), (1764, 38915), (1806, 38010), (1810, 37926), (1935, 35476), (2107, 32580), (2172, 31605), (2205, 31132), (2534, 27090), (2580, 26607), (2709, 25340), (2715, 25284), (2940, 23349), (3010, 22806), (3258, 21070), (3612, 19005), (3620, 18963), (3801, 18060), (3870, 17738), (4214, 16290), (4410, 15566), (4515, 15204), (5068, 13545), (5418, 12670), (5430, 12642), (6020, 11403), (6321, 10860), (6335, 10836), (6516, 10535), (7602, 9030), (7740, 8869), (7783, 8820), (8145, 8428)]