255921900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 803781888

約数和(自身を除く): 547859988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 211, 260, 300, 311, 325, 390, 422, 622, 633, 650, 780, 844, 933, 975, 1055, 1244, 1266, 1300, 1555, 1866, 1950, 2110, 2532, 2743, 3110, 3165, 3732, 3900, 4043, 4220, 4665, 5275, 5486, 6220, 6330, 7775, 8086, 8229, 9330, 10550, 10972, 12129, 12660, 13715, 15550, 15825, 16172, 16458, 18660, 20215, 21100, 23325, 24258, 27430, 31100, 31650, 32916, 40430, 41145, 46650, 48516, 54860, 60645, 63300, 65621, 68575, 80860, 82290, 93300, 101075, 121290, 131242, 137150, 164580, 196863, 202150, 205725, 242580, 262484, 274300, 303225, 328105, 393726, 404300, 411450, 606450, 656210, 787452, 822900, 853073, 984315, 1212900, 1312420, 1640525, 1706146, 1968630, 2559219, 3281050, 3412292, 3937260, 4265365, 4921575, 5118438, 6562100, 8530730, 9843150, 10236876, 12796095, 17061460, 19686300, 21326825, 25592190, 42653650, 51184380, 63980475, 85307300, 127960950, 255921900]

約数ペア:

[(1, 255921900), (2, 127960950), (3, 85307300), (4, 63980475), (5, 51184380), (6, 42653650), (10, 25592190), (12, 21326825), (13, 19686300), (15, 17061460), (20, 12796095), (25, 10236876), (26, 9843150), (30, 8530730), (39, 6562100), (50, 5118438), (52, 4921575), (60, 4265365), (65, 3937260), (75, 3412292), (78, 3281050), (100, 2559219), (130, 1968630), (150, 1706146), (156, 1640525), (195, 1312420), (211, 1212900), (260, 984315), (300, 853073), (311, 822900), (325, 787452), (390, 656210), (422, 606450), (622, 411450), (633, 404300), (650, 393726), (780, 328105), (844, 303225), (933, 274300), (975, 262484), (1055, 242580), (1244, 205725), (1266, 202150), (1300, 196863), (1555, 164580), (1866, 137150), (1950, 131242), (2110, 121290), (2532, 101075), (2743, 93300), (3110, 82290), (3165, 80860), (3732, 68575), (3900, 65621), (4043, 63300), (4220, 60645), (4665, 54860), (5275, 48516), (5486, 46650), (6220, 41145), (6330, 40430), (7775, 32916), (8086, 31650), (8229, 31100), (9330, 27430), (10550, 24258), (10972, 23325), (12129, 21100), (12660, 20215), (13715, 18660), (15550, 16458), (15825, 16172)]