83691020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 220631040

約数和(自身を除く): 136940020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 49, 70, 79, 92, 94, 98, 115, 140, 158, 161, 188, 196, 230, 235, 245, 316, 322, 329, 395, 460, 470, 490, 553, 644, 658, 790, 805, 940, 980, 1081, 1106, 1127, 1316, 1580, 1610, 1645, 1817, 2162, 2212, 2254, 2303, 2765, 3220, 3290, 3634, 3713, 3871, 4324, 4508, 4606, 5405, 5530, 5635, 6580, 7268, 7426, 7567, 7742, 9085, 9212, 10810, 11060, 11270, 11515, 12719, 14852, 15134, 15484, 18170, 18565, 19355, 21620, 22540, 23030, 25438, 25991, 30268, 36340, 37130, 37835, 38710, 46060, 50876, 51982, 52969, 63595, 74260, 75670, 77420, 85399, 89033, 103964, 105938, 127190, 129955, 151340, 170798, 178066, 181937, 211876, 254380, 259910, 264845, 341596, 356132, 363874, 426995, 445165, 519820, 529690, 597793, 727748, 853990, 890330, 909685, 1059380, 1195586, 1707980, 1780660, 1819370, 2391172, 2988965, 3638740, 4184551, 5977930, 8369102, 11955860, 16738204, 20922755, 41845510, 83691020]

約数ペア:

[(1, 83691020), (2, 41845510), (4, 20922755), (5, 16738204), (7, 11955860), (10, 8369102), (14, 5977930), (20, 4184551), (23, 3638740), (28, 2988965), (35, 2391172), (46, 1819370), (47, 1780660), (49, 1707980), (70, 1195586), (79, 1059380), (92, 909685), (94, 890330), (98, 853990), (115, 727748), (140, 597793), (158, 529690), (161, 519820), (188, 445165), (196, 426995), (230, 363874), (235, 356132), (245, 341596), (316, 264845), (322, 259910), (329, 254380), (395, 211876), (460, 181937), (470, 178066), (490, 170798), (553, 151340), (644, 129955), (658, 127190), (790, 105938), (805, 103964), (940, 89033), (980, 85399), (1081, 77420), (1106, 75670), (1127, 74260), (1316, 63595), (1580, 52969), (1610, 51982), (1645, 50876), (1817, 46060), (2162, 38710), (2212, 37835), (2254, 37130), (2303, 36340), (2765, 30268), (3220, 25991), (3290, 25438), (3634, 23030), (3713, 22540), (3871, 21620), (4324, 19355), (4508, 18565), (4606, 18170), (5405, 15484), (5530, 15134), (5635, 14852), (6580, 12719), (7268, 11515), (7426, 11270), (7567, 11060), (7742, 10810), (9085, 9212)]