123870240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 216

約数和(自身を含む): 458623620

約数和(自身を除く): 334753380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 509, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1018, 1040, 1170, 1248, 1352, 1440, 1521, 1527, 1560, 1690, 1872, 2028, 2036, 2080, 2340, 2535, 2545, 2704, 3042, 3054, 3120, 3380, 3744, 4056, 4072, 4581, 4680, 5070, 5090, 5408, 6084, 6108, 6240, 6617, 6760, 7605, 7635, 8112, 8144, 9162, 9360, 10140, 10180, 12168, 12216, 13234, 13520, 15210, 15270, 16224, 16288, 18324, 18720, 19851, 20280, 20360, 22905, 24336, 24432, 26468, 27040, 30420, 30540, 33085, 36648, 39702, 40560, 40720, 45810, 48672, 48864, 52936, 59553, 60840, 61080, 66170, 73296, 79404, 81120, 81440, 86021, 91620, 99255, 105872, 119106, 121680, 122160, 132340, 146592, 158808, 172042, 183240, 198510, 211744, 238212, 243360, 244320, 258063, 264680, 297765, 317616, 344084, 366480, 397020, 430105, 476424, 516126, 529360, 595530, 635232, 688168, 732960, 774189, 794040, 860210, 952848, 1032252, 1058720, 1191060, 1290315, 1376336, 1548378, 1588080, 1720420, 1905696, 2064504, 2382120, 2580630, 2752672, 3096756, 3176160, 3440840, 3870945, 4129008, 4764240, 5161260, 6193512, 6881680, 7741890, 8258016, 9528480, 10322520, 12387024, 13763360, 15483780, 20645040, 24774048, 30967560, 41290080, 61935120, 123870240]

約数ペア:

[(1, 123870240), (2, 61935120), (3, 41290080), (4, 30967560), (5, 24774048), (6, 20645040), (8, 15483780), (9, 13763360), (10, 12387024), (12, 10322520), (13, 9528480), (15, 8258016), (16, 7741890), (18, 6881680), (20, 6193512), (24, 5161260), (26, 4764240), (30, 4129008), (32, 3870945), (36, 3440840), (39, 3176160), (40, 3096756), (45, 2752672), (48, 2580630), (52, 2382120), (60, 2064504), (65, 1905696), (72, 1720420), (78, 1588080), (80, 1548378), (90, 1376336), (96, 1290315), (104, 1191060), (117, 1058720), (120, 1032252), (130, 952848), (144, 860210), (156, 794040), (160, 774189), (169, 732960), (180, 688168), (195, 635232), (208, 595530), (234, 529360), (240, 516126), (260, 476424), (288, 430105), (312, 397020), (338, 366480), (360, 344084), (390, 317616), (416, 297765), (468, 264680), (480, 258063), (507, 244320), (509, 243360), (520, 238212), (585, 211744), (624, 198510), (676, 183240), (720, 172042), (780, 158808), (845, 146592), (936, 132340), (1014, 122160), (1018, 121680), (1040, 119106), (1170, 105872), (1248, 99255), (1352, 91620), (1440, 86021), (1521, 81440), (1527, 81120), (1560, 79404), (1690, 73296), (1872, 66170), (2028, 61080), (2036, 60840), (2080, 59553), (2340, 52936), (2535, 48864), (2545, 48672), (2704, 45810), (3042, 40720), (3054, 40560), (3120, 39702), (3380, 36648), (3744, 33085), (4056, 30540), (4072, 30420), (4581, 27040), (4680, 26468), (5070, 24432), (5090, 24336), (5408, 22905), (6084, 20360), (6108, 20280), (6240, 19851), (6617, 18720), (6760, 18324), (7605, 16288), (7635, 16224), (8112, 15270), (8144, 15210), (9162, 13520), (9360, 13234), (10140, 12216), (10180, 12168)]