25688520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:540

約数の個数: 192

約数和(自身を含む): 98280000

約数和(自身を除く): 72591480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 499, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 998, 1144, 1170, 1287, 1320, 1430, 1497, 1560, 1716, 1980, 1996, 2145, 2340, 2495, 2574, 2860, 2994, 3432, 3960, 3992, 4290, 4491, 4680, 4990, 5148, 5489, 5720, 5988, 6435, 6487, 7485, 8580, 8982, 9980, 10296, 10978, 11976, 12870, 12974, 14970, 16467, 17160, 17964, 19461, 19960, 21956, 22455, 25740, 25948, 27445, 29940, 32435, 32934, 35928, 38922, 43912, 44910, 49401, 51480, 51896, 54890, 58383, 59880, 64870, 65868, 71357, 77844, 82335, 89820, 97305, 98802, 109780, 116766, 129740, 131736, 142714, 155688, 164670, 179640, 194610, 197604, 214071, 219560, 233532, 247005, 259480, 285428, 291915, 329340, 356785, 389220, 395208, 428142, 467064, 494010, 570856, 583830, 642213, 658680, 713570, 778440, 856284, 988020, 1070355, 1167660, 1284426, 1427140, 1712568, 1976040, 2140710, 2335320, 2568852, 2854280, 3211065, 4281420, 5137704, 6422130, 8562840, 12844260, 25688520]

約数ペア:

[(1, 25688520), (2, 12844260), (3, 8562840), (4, 6422130), (5, 5137704), (6, 4281420), (8, 3211065), (9, 2854280), (10, 2568852), (11, 2335320), (12, 2140710), (13, 1976040), (15, 1712568), (18, 1427140), (20, 1284426), (22, 1167660), (24, 1070355), (26, 988020), (30, 856284), (33, 778440), (36, 713570), (39, 658680), (40, 642213), (44, 583830), (45, 570856), (52, 494010), (55, 467064), (60, 428142), (65, 395208), (66, 389220), (72, 356785), (78, 329340), (88, 291915), (90, 285428), (99, 259480), (104, 247005), (110, 233532), (117, 219560), (120, 214071), (130, 197604), (132, 194610), (143, 179640), (156, 164670), (165, 155688), (180, 142714), (195, 131736), (198, 129740), (220, 116766), (234, 109780), (260, 98802), (264, 97305), (286, 89820), (312, 82335), (330, 77844), (360, 71357), (390, 65868), (396, 64870), (429, 59880), (440, 58383), (468, 54890), (495, 51896), (499, 51480), (520, 49401), (572, 44910), (585, 43912), (660, 38922), (715, 35928), (780, 32934), (792, 32435), (858, 29940), (936, 27445), (990, 25948), (998, 25740), (1144, 22455), (1170, 21956), (1287, 19960), (1320, 19461), (1430, 17964), (1497, 17160), (1560, 16467), (1716, 14970), (1980, 12974), (1996, 12870), (2145, 11976), (2340, 10978), (2495, 10296), (2574, 9980), (2860, 8982), (2994, 8580), (3432, 7485), (3960, 6487), (3992, 6435), (4290, 5988), (4491, 5720), (4680, 5489), (4990, 5148)]