65166640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 192844800

約数和(自身を除く): 127678160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 149, 154, 176, 220, 280, 284, 298, 308, 355, 385, 440, 497, 560, 568, 596, 616, 710, 745, 770, 781, 880, 994, 1043, 1136, 1192, 1232, 1420, 1490, 1540, 1562, 1639, 1988, 2086, 2384, 2485, 2840, 2980, 3080, 3124, 3278, 3905, 3976, 4172, 4970, 5215, 5467, 5680, 5960, 6160, 6248, 6556, 7810, 7952, 8195, 8344, 9940, 10430, 10579, 10934, 11473, 11920, 12496, 13112, 15620, 16390, 16688, 19880, 20860, 21158, 21868, 22946, 26224, 27335, 31240, 32780, 39760, 41720, 42316, 43736, 45892, 52895, 54670, 57365, 62480, 65560, 74053, 83440, 84632, 87472, 91784, 105790, 109340, 114730, 116369, 131120, 148106, 169264, 183568, 211580, 218680, 229460, 232738, 296212, 370265, 423160, 437360, 458920, 465476, 581845, 592424, 740530, 814583, 846320, 917840, 930952, 1163690, 1184848, 1481060, 1629166, 1861904, 2327380, 2962120, 3258332, 4072915, 4654760, 5924240, 6516664, 8145830, 9309520, 13033328, 16291660, 32583320, 65166640]

約数ペア:

[(1, 65166640), (2, 32583320), (4, 16291660), (5, 13033328), (7, 9309520), (8, 8145830), (10, 6516664), (11, 5924240), (14, 4654760), (16, 4072915), (20, 3258332), (22, 2962120), (28, 2327380), (35, 1861904), (40, 1629166), (44, 1481060), (55, 1184848), (56, 1163690), (70, 930952), (71, 917840), (77, 846320), (80, 814583), (88, 740530), (110, 592424), (112, 581845), (140, 465476), (142, 458920), (149, 437360), (154, 423160), (176, 370265), (220, 296212), (280, 232738), (284, 229460), (298, 218680), (308, 211580), (355, 183568), (385, 169264), (440, 148106), (497, 131120), (560, 116369), (568, 114730), (596, 109340), (616, 105790), (710, 91784), (745, 87472), (770, 84632), (781, 83440), (880, 74053), (994, 65560), (1043, 62480), (1136, 57365), (1192, 54670), (1232, 52895), (1420, 45892), (1490, 43736), (1540, 42316), (1562, 41720), (1639, 39760), (1988, 32780), (2086, 31240), (2384, 27335), (2485, 26224), (2840, 22946), (2980, 21868), (3080, 21158), (3124, 20860), (3278, 19880), (3905, 16688), (3976, 16390), (4172, 15620), (4970, 13112), (5215, 12496), (5467, 11920), (5680, 11473), (5960, 10934), (6160, 10579), (6248, 10430), (6556, 9940), (7810, 8344), (7952, 8195)]