65816800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 216

約数和(自身を含む): 197706096

約数和(自身を除く): 131889296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 49, 50, 56, 70, 73, 80, 92, 98, 100, 112, 115, 140, 146, 160, 161, 175, 184, 196, 200, 224, 230, 245, 280, 292, 322, 350, 365, 368, 392, 400, 460, 490, 511, 560, 575, 584, 644, 700, 730, 736, 784, 800, 805, 920, 980, 1022, 1120, 1127, 1150, 1168, 1225, 1288, 1400, 1460, 1568, 1610, 1679, 1825, 1840, 1960, 2044, 2254, 2300, 2336, 2450, 2555, 2576, 2800, 2920, 3220, 3358, 3577, 3650, 3680, 3920, 4025, 4088, 4508, 4600, 4900, 5110, 5152, 5600, 5635, 5840, 6440, 6716, 7154, 7300, 7840, 8050, 8176, 8395, 9016, 9200, 9800, 10220, 11270, 11680, 11753, 12775, 12880, 13432, 14308, 14600, 16100, 16352, 16790, 17885, 18032, 18400, 19600, 20440, 22540, 23506, 25550, 25760, 26864, 28175, 28616, 29200, 32200, 33580, 35770, 36064, 39200, 40880, 41975, 45080, 47012, 51100, 53728, 56350, 57232, 58400, 58765, 64400, 67160, 71540, 81760, 82271, 83950, 89425, 90160, 94024, 102200, 112700, 114464, 117530, 128800, 134320, 143080, 164542, 167900, 178850, 180320, 188048, 204400, 225400, 235060, 268640, 286160, 293825, 329084, 335800, 357700, 376096, 408800, 411355, 450800, 470120, 572320, 587650, 658168, 671600, 715400, 822710, 901600, 940240, 1175300, 1316336, 1343200, 1430800, 1645420, 1880480, 2056775, 2350600, 2632672, 2861600, 3290840, 4113550, 4701200, 6581680, 8227100, 9402400, 13163360, 16454200, 32908400, 65816800]

約数ペア:

[(1, 65816800), (2, 32908400), (4, 16454200), (5, 13163360), (7, 9402400), (8, 8227100), (10, 6581680), (14, 4701200), (16, 4113550), (20, 3290840), (23, 2861600), (25, 2632672), (28, 2350600), (32, 2056775), (35, 1880480), (40, 1645420), (46, 1430800), (49, 1343200), (50, 1316336), (56, 1175300), (70, 940240), (73, 901600), (80, 822710), (92, 715400), (98, 671600), (100, 658168), (112, 587650), (115, 572320), (140, 470120), (146, 450800), (160, 411355), (161, 408800), (175, 376096), (184, 357700), (196, 335800), (200, 329084), (224, 293825), (230, 286160), (245, 268640), (280, 235060), (292, 225400), (322, 204400), (350, 188048), (365, 180320), (368, 178850), (392, 167900), (400, 164542), (460, 143080), (490, 134320), (511, 128800), (560, 117530), (575, 114464), (584, 112700), (644, 102200), (700, 94024), (730, 90160), (736, 89425), (784, 83950), (800, 82271), (805, 81760), (920, 71540), (980, 67160), (1022, 64400), (1120, 58765), (1127, 58400), (1150, 57232), (1168, 56350), (1225, 53728), (1288, 51100), (1400, 47012), (1460, 45080), (1568, 41975), (1610, 40880), (1679, 39200), (1825, 36064), (1840, 35770), (1960, 33580), (2044, 32200), (2254, 29200), (2300, 28616), (2336, 28175), (2450, 26864), (2555, 25760), (2576, 25550), (2800, 23506), (2920, 22540), (3220, 20440), (3358, 19600), (3577, 18400), (3650, 18032), (3680, 17885), (3920, 16790), (4025, 16352), (4088, 16100), (4508, 14600), (4600, 14308), (4900, 13432), (5110, 12880), (5152, 12775), (5600, 11753), (5635, 11680), (5840, 11270), (6440, 10220), (6716, 9800), (7154, 9200), (7300, 9016), (7840, 8395), (8050, 8176)]