278101320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4663}}^1$

素因数の和:4755

約数の個数: 128

約数和(自身を含む): 967127040

約数和(自身を除く): 689025720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4663, 4970, 5964, 7455, 8520, 9326, 9940, 11928, 13989, 14910, 18652, 19880, 23315, 27978, 29820, 32641, 37304, 46630, 55956, 59640, 65282, 69945, 93260, 97923, 111912, 130564, 139890, 163205, 186520, 195846, 261128, 279780, 326410, 331073, 391692, 489615, 559560, 652820, 662146, 783384, 979230, 993219, 1305640, 1324292, 1655365, 1958460, 1986438, 2317511, 2648584, 3310730, 3916920, 3972876, 4635022, 4966095, 6621460, 6952533, 7945752, 9270044, 9932190, 11587555, 13242920, 13905066, 18540088, 19864380, 23175110, 27810132, 34762665, 39728760, 46350220, 55620264, 69525330, 92700440, 139050660, 278101320]

約数ペア:

[(1, 278101320), (2, 139050660), (3, 92700440), (4, 69525330), (5, 55620264), (6, 46350220), (7, 39728760), (8, 34762665), (10, 27810132), (12, 23175110), (14, 19864380), (15, 18540088), (20, 13905066), (21, 13242920), (24, 11587555), (28, 9932190), (30, 9270044), (35, 7945752), (40, 6952533), (42, 6621460), (56, 4966095), (60, 4635022), (70, 3972876), (71, 3916920), (84, 3310730), (105, 2648584), (120, 2317511), (140, 1986438), (142, 1958460), (168, 1655365), (210, 1324292), (213, 1305640), (280, 993219), (284, 979230), (355, 783384), (420, 662146), (426, 652820), (497, 559560), (568, 489615), (710, 391692), (840, 331073), (852, 326410), (994, 279780), (1065, 261128), (1420, 195846), (1491, 186520), (1704, 163205), (1988, 139890), (2130, 130564), (2485, 111912), (2840, 97923), (2982, 93260), (3976, 69945), (4260, 65282), (4663, 59640), (4970, 55956), (5964, 46630), (7455, 37304), (8520, 32641), (9326, 29820), (9940, 27978), (11928, 23315), (13989, 19880), (14910, 18652)]