122709720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 192

約数和(自身を含む): 439538400

約数和(自身を除く): 316828680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 49, 56, 60, 70, 82, 84, 98, 105, 120, 123, 140, 147, 164, 168, 196, 205, 210, 245, 246, 280, 287, 294, 328, 392, 410, 420, 490, 492, 509, 574, 588, 615, 735, 820, 840, 861, 980, 984, 1018, 1148, 1176, 1230, 1435, 1470, 1527, 1640, 1722, 1960, 2009, 2036, 2296, 2460, 2545, 2870, 2940, 3054, 3444, 3563, 4018, 4072, 4305, 4920, 5090, 5740, 5880, 6027, 6108, 6888, 7126, 7635, 8036, 8610, 10045, 10180, 10689, 11480, 12054, 12216, 14252, 15270, 16072, 17220, 17815, 20090, 20360, 20869, 21378, 24108, 24941, 28504, 30135, 30540, 34440, 35630, 40180, 41738, 42756, 48216, 49882, 53445, 60270, 61080, 62607, 71260, 74823, 80360, 83476, 85512, 99764, 104345, 106890, 120540, 124705, 125214, 142520, 146083, 149646, 166952, 199528, 208690, 213780, 241080, 249410, 250428, 292166, 299292, 313035, 374115, 417380, 427560, 438249, 498820, 500856, 584332, 598584, 626070, 730415, 748230, 834760, 876498, 997640, 1022581, 1168664, 1252140, 1460830, 1496460, 1752996, 2045162, 2191245, 2504280, 2921660, 2992920, 3067743, 3505992, 4090324, 4382490, 5112905, 5843320, 6135486, 8180648, 8764980, 10225810, 12270972, 15338715, 17529960, 20451620, 24541944, 30677430, 40903240, 61354860, 122709720]

約数ペア:

[(1, 122709720), (2, 61354860), (3, 40903240), (4, 30677430), (5, 24541944), (6, 20451620), (7, 17529960), (8, 15338715), (10, 12270972), (12, 10225810), (14, 8764980), (15, 8180648), (20, 6135486), (21, 5843320), (24, 5112905), (28, 4382490), (30, 4090324), (35, 3505992), (40, 3067743), (41, 2992920), (42, 2921660), (49, 2504280), (56, 2191245), (60, 2045162), (70, 1752996), (82, 1496460), (84, 1460830), (98, 1252140), (105, 1168664), (120, 1022581), (123, 997640), (140, 876498), (147, 834760), (164, 748230), (168, 730415), (196, 626070), (205, 598584), (210, 584332), (245, 500856), (246, 498820), (280, 438249), (287, 427560), (294, 417380), (328, 374115), (392, 313035), (410, 299292), (420, 292166), (490, 250428), (492, 249410), (509, 241080), (574, 213780), (588, 208690), (615, 199528), (735, 166952), (820, 149646), (840, 146083), (861, 142520), (980, 125214), (984, 124705), (1018, 120540), (1148, 106890), (1176, 104345), (1230, 99764), (1435, 85512), (1470, 83476), (1527, 80360), (1640, 74823), (1722, 71260), (1960, 62607), (2009, 61080), (2036, 60270), (2296, 53445), (2460, 49882), (2545, 48216), (2870, 42756), (2940, 41738), (3054, 40180), (3444, 35630), (3563, 34440), (4018, 30540), (4072, 30135), (4305, 28504), (4920, 24941), (5090, 24108), (5740, 21378), (5880, 20869), (6027, 20360), (6108, 20090), (6888, 17815), (7126, 17220), (7635, 16072), (8036, 15270), (8610, 14252), (10045, 12216), (10180, 12054), (10689, 11480)]