54321800

素因数分解:

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

素因数の和:1275

約数の個数: 96

約数和(自身を含む): 144131400

約数和(自身を除く): 89809600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 130, 136, 170, 200, 221, 260, 325, 340, 425, 442, 520, 650, 680, 850, 884, 1105, 1229, 1300, 1700, 1768, 2210, 2458, 2600, 3400, 4420, 4916, 5525, 6145, 8840, 9832, 11050, 12290, 15977, 20893, 22100, 24580, 30725, 31954, 41786, 44200, 49160, 61450, 63908, 79885, 83572, 104465, 122900, 127816, 159770, 167144, 208930, 245800, 271609, 319540, 399425, 417860, 522325, 543218, 639080, 798850, 835720, 1044650, 1086436, 1358045, 1597700, 2089300, 2172872, 2716090, 3195400, 4178600, 5432180, 6790225, 10864360, 13580450, 27160900, 54321800]

約数ペア:

[(1, 54321800), (2, 27160900), (4, 13580450), (5, 10864360), (8, 6790225), (10, 5432180), (13, 4178600), (17, 3195400), (20, 2716090), (25, 2172872), (26, 2089300), (34, 1597700), (40, 1358045), (50, 1086436), (52, 1044650), (65, 835720), (68, 798850), (85, 639080), (100, 543218), (104, 522325), (130, 417860), (136, 399425), (170, 319540), (200, 271609), (221, 245800), (260, 208930), (325, 167144), (340, 159770), (425, 127816), (442, 122900), (520, 104465), (650, 83572), (680, 79885), (850, 63908), (884, 61450), (1105, 49160), (1229, 44200), (1300, 41786), (1700, 31954), (1768, 30725), (2210, 24580), (2458, 22100), (2600, 20893), (3400, 15977), (4420, 12290), (4916, 11050), (5525, 9832), (6145, 8840)]