42728820

素因数分解:

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

素因数の和:449

約数の個数: 96

約数和(自身を含む): 127951488

約数和(自身を除く): 85222668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 163, 170, 204, 255, 257, 326, 340, 489, 510, 514, 652, 771, 815, 978, 1020, 1028, 1285, 1542, 1630, 1956, 2445, 2570, 2771, 3084, 3260, 3855, 4369, 4890, 5140, 5542, 7710, 8313, 8738, 9780, 11084, 13107, 13855, 15420, 16626, 17476, 21845, 26214, 27710, 33252, 41565, 41891, 43690, 52428, 55420, 65535, 83130, 83782, 87380, 125673, 131070, 166260, 167564, 209455, 251346, 262140, 418910, 502692, 628365, 712147, 837820, 1256730, 1424294, 2136441, 2513460, 2848588, 3560735, 4272882, 7121470, 8545764, 10682205, 14242940, 21364410, 42728820]

約数ペア:

[(1, 42728820), (2, 21364410), (3, 14242940), (4, 10682205), (5, 8545764), (6, 7121470), (10, 4272882), (12, 3560735), (15, 2848588), (17, 2513460), (20, 2136441), (30, 1424294), (34, 1256730), (51, 837820), (60, 712147), (68, 628365), (85, 502692), (102, 418910), (163, 262140), (170, 251346), (204, 209455), (255, 167564), (257, 166260), (326, 131070), (340, 125673), (489, 87380), (510, 83782), (514, 83130), (652, 65535), (771, 55420), (815, 52428), (978, 43690), (1020, 41891), (1028, 41565), (1285, 33252), (1542, 27710), (1630, 26214), (1956, 21845), (2445, 17476), (2570, 16626), (2771, 15420), (3084, 13855), (3260, 13107), (3855, 11084), (4369, 9780), (4890, 8738), (5140, 8313), (5542, 7710)]