1554715120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{613}}^1\times {\mathrm{647}}^1$

素因数の和:1287

約数の個数: 120

約数和(自身を含む): 4218238944

約数和(自身を除く): 2663523824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 613, 647, 784, 980, 1226, 1294, 1960, 2452, 2588, 3065, 3235, 3920, 4291, 4529, 4904, 5176, 6130, 6470, 8582, 9058, 9808, 10352, 12260, 12940, 17164, 18116, 21455, 22645, 24520, 25880, 30037, 31703, 34328, 36232, 42910, 45290, 49040, 51760, 60074, 63406, 68656, 72464, 85820, 90580, 120148, 126812, 150185, 158515, 171640, 181160, 240296, 253624, 300370, 317030, 343280, 362320, 396611, 480592, 507248, 600740, 634060, 793222, 1201480, 1268120, 1586444, 1983055, 2402960, 2536240, 2776277, 3172888, 3966110, 5552554, 6345776, 7932220, 11105108, 13881385, 15864440, 19433939, 22210216, 27762770, 31728880, 38867878, 44420432, 55525540, 77735756, 97169695, 111051080, 155471512, 194339390, 222102160, 310943024, 388678780, 777357560, 1554715120]

約数ペア:

[(1, 1554715120), (2, 777357560), (4, 388678780), (5, 310943024), (7, 222102160), (8, 194339390), (10, 155471512), (14, 111051080), (16, 97169695), (20, 77735756), (28, 55525540), (35, 44420432), (40, 38867878), (49, 31728880), (56, 27762770), (70, 22210216), (80, 19433939), (98, 15864440), (112, 13881385), (140, 11105108), (196, 7932220), (245, 6345776), (280, 5552554), (392, 3966110), (490, 3172888), (560, 2776277), (613, 2536240), (647, 2402960), (784, 1983055), (980, 1586444), (1226, 1268120), (1294, 1201480), (1960, 793222), (2452, 634060), (2588, 600740), (3065, 507248), (3235, 480592), (3920, 396611), (4291, 362320), (4529, 343280), (4904, 317030), (5176, 300370), (6130, 253624), (6470, 240296), (8582, 181160), (9058, 171640), (9808, 158515), (10352, 150185), (12260, 126812), (12940, 120148), (17164, 90580), (18116, 85820), (21455, 72464), (22645, 68656), (24520, 63406), (25880, 60074), (30037, 51760), (31703, 49040), (34328, 45290), (36232, 42910)]