2540726640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21649}}^1$

素因数の和:21831

約数の個数: 120

約数和(自身を含む): 8585350800

約数和(自身を除く): 6044624160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1467, 1630, 1956, 2445, 2608, 2934, 3260, 3912, 4890, 5868, 6520, 7335, 7824, 9780, 11736, 13040, 14670, 19560, 21649, 23472, 29340, 39120, 43298, 58680, 64947, 86596, 108245, 117360, 129894, 173192, 194841, 216490, 259788, 324735, 346384, 389682, 432980, 519576, 649470, 779364, 865960, 974205, 1039152, 1298940, 1558728, 1731920, 1948410, 2597880, 3117456, 3528787, 3896820, 5195760, 7057574, 7793640, 10586361, 14115148, 15587280, 17643935, 21172722, 28230296, 31759083, 35287870, 42345444, 52931805, 56460592, 63518166, 70575740, 84690888, 105863610, 127036332, 141151480, 158795415, 169381776, 211727220, 254072664, 282302960, 317590830, 423454440, 508145328, 635181660, 846908880, 1270363320, 2540726640]

約数ペア:

[(1, 2540726640), (2, 1270363320), (3, 846908880), (4, 635181660), (5, 508145328), (6, 423454440), (8, 317590830), (9, 282302960), (10, 254072664), (12, 211727220), (15, 169381776), (16, 158795415), (18, 141151480), (20, 127036332), (24, 105863610), (30, 84690888), (36, 70575740), (40, 63518166), (45, 56460592), (48, 52931805), (60, 42345444), (72, 35287870), (80, 31759083), (90, 28230296), (120, 21172722), (144, 17643935), (163, 15587280), (180, 14115148), (240, 10586361), (326, 7793640), (360, 7057574), (489, 5195760), (652, 3896820), (720, 3528787), (815, 3117456), (978, 2597880), (1304, 1948410), (1467, 1731920), (1630, 1558728), (1956, 1298940), (2445, 1039152), (2608, 974205), (2934, 865960), (3260, 779364), (3912, 649470), (4890, 519576), (5868, 432980), (6520, 389682), (7335, 346384), (7824, 324735), (9780, 259788), (11736, 216490), (13040, 194841), (14670, 173192), (19560, 129894), (21649, 117360), (23472, 108245), (29340, 86596), (39120, 64947), (43298, 58680)]