168181520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 449971200

約数和(自身を除く): 281789680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 79, 80, 89, 92, 104, 115, 130, 158, 178, 184, 208, 230, 260, 299, 316, 356, 368, 395, 445, 460, 520, 598, 632, 712, 790, 890, 920, 1027, 1040, 1157, 1196, 1264, 1424, 1495, 1580, 1780, 1817, 1840, 2047, 2054, 2314, 2392, 2990, 3160, 3560, 3634, 4094, 4108, 4628, 4784, 5135, 5785, 5980, 6320, 7031, 7120, 7268, 8188, 8216, 9085, 9256, 10235, 10270, 11570, 11960, 14062, 14536, 16376, 16432, 18170, 18512, 20470, 20540, 23140, 23621, 23920, 26611, 28124, 29072, 32752, 35155, 36340, 40940, 41080, 46280, 47242, 53222, 56248, 70310, 72680, 81880, 82160, 91403, 92560, 94484, 106444, 112496, 118105, 133055, 140620, 145360, 161713, 163760, 182806, 188968, 212888, 236210, 266110, 281240, 323426, 365612, 377936, 425776, 457015, 472420, 532220, 562480, 646852, 731224, 808565, 914030, 944840, 1064440, 1293704, 1462448, 1617130, 1828060, 1889680, 2102269, 2128880, 2587408, 3234260, 3656120, 4204538, 6468520, 7312240, 8409076, 10511345, 12937040, 16818152, 21022690, 33636304, 42045380, 84090760, 168181520]

約数ペア:

[(1, 168181520), (2, 84090760), (4, 42045380), (5, 33636304), (8, 21022690), (10, 16818152), (13, 12937040), (16, 10511345), (20, 8409076), (23, 7312240), (26, 6468520), (40, 4204538), (46, 3656120), (52, 3234260), (65, 2587408), (79, 2128880), (80, 2102269), (89, 1889680), (92, 1828060), (104, 1617130), (115, 1462448), (130, 1293704), (158, 1064440), (178, 944840), (184, 914030), (208, 808565), (230, 731224), (260, 646852), (299, 562480), (316, 532220), (356, 472420), (368, 457015), (395, 425776), (445, 377936), (460, 365612), (520, 323426), (598, 281240), (632, 266110), (712, 236210), (790, 212888), (890, 188968), (920, 182806), (1027, 163760), (1040, 161713), (1157, 145360), (1196, 140620), (1264, 133055), (1424, 118105), (1495, 112496), (1580, 106444), (1780, 94484), (1817, 92560), (1840, 91403), (2047, 82160), (2054, 81880), (2314, 72680), (2392, 70310), (2990, 56248), (3160, 53222), (3560, 47242), (3634, 46280), (4094, 41080), (4108, 40940), (4628, 36340), (4784, 35155), (5135, 32752), (5785, 29072), (5980, 28124), (6320, 26611), (7031, 23920), (7120, 23621), (7268, 23140), (8188, 20540), (8216, 20470), (9085, 18512), (9256, 18170), (10235, 16432), (10270, 16376), (11570, 14536), (11960, 14062)]