85457640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 274181760

約数和(自身を除く): 188724120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 163, 170, 204, 255, 257, 326, 340, 408, 489, 510, 514, 652, 680, 771, 815, 978, 1020, 1028, 1285, 1304, 1542, 1630, 1956, 2040, 2056, 2445, 2570, 2771, 3084, 3260, 3855, 3912, 4369, 4890, 5140, 5542, 6168, 6520, 7710, 8313, 8738, 9780, 10280, 11084, 13107, 13855, 15420, 16626, 17476, 19560, 21845, 22168, 26214, 27710, 30840, 33252, 34952, 41565, 41891, 43690, 52428, 55420, 65535, 66504, 83130, 83782, 87380, 104856, 110840, 125673, 131070, 166260, 167564, 174760, 209455, 251346, 262140, 332520, 335128, 418910, 502692, 524280, 628365, 712147, 837820, 1005384, 1256730, 1424294, 1675640, 2136441, 2513460, 2848588, 3560735, 4272882, 5026920, 5697176, 7121470, 8545764, 10682205, 14242940, 17091528, 21364410, 28485880, 42728820, 85457640]

約数ペア:

[(1, 85457640), (2, 42728820), (3, 28485880), (4, 21364410), (5, 17091528), (6, 14242940), (8, 10682205), (10, 8545764), (12, 7121470), (15, 5697176), (17, 5026920), (20, 4272882), (24, 3560735), (30, 2848588), (34, 2513460), (40, 2136441), (51, 1675640), (60, 1424294), (68, 1256730), (85, 1005384), (102, 837820), (120, 712147), (136, 628365), (163, 524280), (170, 502692), (204, 418910), (255, 335128), (257, 332520), (326, 262140), (340, 251346), (408, 209455), (489, 174760), (510, 167564), (514, 166260), (652, 131070), (680, 125673), (771, 110840), (815, 104856), (978, 87380), (1020, 83782), (1028, 83130), (1285, 66504), (1304, 65535), (1542, 55420), (1630, 52428), (1956, 43690), (2040, 41891), (2056, 41565), (2445, 34952), (2570, 33252), (2771, 30840), (3084, 27710), (3260, 26214), (3855, 22168), (3912, 21845), (4369, 19560), (4890, 17476), (5140, 16626), (5542, 15420), (6168, 13855), (6520, 13107), (7710, 11084), (8313, 10280), (8738, 9780)]