81482700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1276

約数の個数: 144

約数和(自身を含む): 269045280

約数和(自身を除く): 187562580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 130, 150, 156, 170, 195, 204, 221, 255, 260, 300, 325, 340, 390, 425, 442, 510, 650, 663, 780, 850, 884, 975, 1020, 1105, 1229, 1275, 1300, 1326, 1700, 1950, 2210, 2458, 2550, 2652, 3315, 3687, 3900, 4420, 4916, 5100, 5525, 6145, 6630, 7374, 11050, 12290, 13260, 14748, 15977, 16575, 18435, 20893, 22100, 24580, 30725, 31954, 33150, 36870, 41786, 47931, 61450, 62679, 63908, 66300, 73740, 79885, 83572, 92175, 95862, 104465, 122900, 125358, 159770, 184350, 191724, 208930, 239655, 250716, 271609, 313395, 319540, 368700, 399425, 417860, 479310, 522325, 543218, 626790, 798850, 814827, 958620, 1044650, 1086436, 1198275, 1253580, 1358045, 1566975, 1597700, 1629654, 2089300, 2396550, 2716090, 3133950, 3259308, 4074135, 4793100, 5432180, 6267900, 6790225, 8148270, 13580450, 16296540, 20370675, 27160900, 40741350, 81482700]

約数ペア:

[(1, 81482700), (2, 40741350), (3, 27160900), (4, 20370675), (5, 16296540), (6, 13580450), (10, 8148270), (12, 6790225), (13, 6267900), (15, 5432180), (17, 4793100), (20, 4074135), (25, 3259308), (26, 3133950), (30, 2716090), (34, 2396550), (39, 2089300), (50, 1629654), (51, 1597700), (52, 1566975), (60, 1358045), (65, 1253580), (68, 1198275), (75, 1086436), (78, 1044650), (85, 958620), (100, 814827), (102, 798850), (130, 626790), (150, 543218), (156, 522325), (170, 479310), (195, 417860), (204, 399425), (221, 368700), (255, 319540), (260, 313395), (300, 271609), (325, 250716), (340, 239655), (390, 208930), (425, 191724), (442, 184350), (510, 159770), (650, 125358), (663, 122900), (780, 104465), (850, 95862), (884, 92175), (975, 83572), (1020, 79885), (1105, 73740), (1229, 66300), (1275, 63908), (1300, 62679), (1326, 61450), (1700, 47931), (1950, 41786), (2210, 36870), (2458, 33150), (2550, 31954), (2652, 30725), (3315, 24580), (3687, 22100), (3900, 20893), (4420, 18435), (4916, 16575), (5100, 15977), (5525, 14748), (6145, 13260), (6630, 12290), (7374, 11050)]