82939360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 232696800

約数和(自身を除く): 149757440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 149, 160, 196, 224, 245, 280, 284, 298, 355, 392, 490, 497, 560, 568, 596, 710, 745, 784, 980, 994, 1043, 1120, 1136, 1192, 1420, 1490, 1568, 1960, 1988, 2086, 2272, 2384, 2485, 2840, 2980, 3479, 3920, 3976, 4172, 4768, 4970, 5215, 5680, 5960, 6958, 7301, 7840, 7952, 8344, 9940, 10430, 10579, 11360, 11920, 13916, 14602, 15904, 16688, 17395, 19880, 20860, 21158, 23840, 27832, 29204, 33376, 34790, 36505, 39760, 41720, 42316, 52895, 55664, 58408, 69580, 73010, 74053, 79520, 83440, 84632, 105790, 111328, 116816, 139160, 146020, 148106, 166880, 169264, 211580, 233632, 278320, 292040, 296212, 338528, 370265, 423160, 518371, 556640, 584080, 592424, 740530, 846320, 1036742, 1168160, 1184848, 1481060, 1692640, 2073484, 2369696, 2591855, 2962120, 4146968, 5183710, 5924240, 8293936, 10367420, 11848480, 16587872, 20734840, 41469680, 82939360]

約数ペア:

[(1, 82939360), (2, 41469680), (4, 20734840), (5, 16587872), (7, 11848480), (8, 10367420), (10, 8293936), (14, 5924240), (16, 5183710), (20, 4146968), (28, 2962120), (32, 2591855), (35, 2369696), (40, 2073484), (49, 1692640), (56, 1481060), (70, 1184848), (71, 1168160), (80, 1036742), (98, 846320), (112, 740530), (140, 592424), (142, 584080), (149, 556640), (160, 518371), (196, 423160), (224, 370265), (245, 338528), (280, 296212), (284, 292040), (298, 278320), (355, 233632), (392, 211580), (490, 169264), (497, 166880), (560, 148106), (568, 146020), (596, 139160), (710, 116816), (745, 111328), (784, 105790), (980, 84632), (994, 83440), (1043, 79520), (1120, 74053), (1136, 73010), (1192, 69580), (1420, 58408), (1490, 55664), (1568, 52895), (1960, 42316), (1988, 41720), (2086, 39760), (2272, 36505), (2384, 34790), (2485, 33376), (2840, 29204), (2980, 27832), (3479, 23840), (3920, 21158), (3976, 20860), (4172, 19880), (4768, 17395), (4970, 16688), (5215, 15904), (5680, 14602), (5960, 13916), (6958, 11920), (7301, 11360), (7840, 10579), (7952, 10430), (8344, 9940)]