2556281280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20067

約数の個数: 224

約数和(自身を含む): 9764328960

約数和(自身を除く): 7208047680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 448, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 960, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1995, 2128, 2240, 2280, 2660, 3040, 3192, 3360, 3648, 3990, 4256, 4560, 5320, 6080, 6384, 6720, 7980, 8512, 9120, 10640, 12768, 15960, 18240, 20021, 21280, 25536, 31920, 40042, 42560, 60063, 63840, 80084, 100105, 120126, 127680, 140147, 160168, 200210, 240252, 280294, 300315, 320336, 380399, 400420, 420441, 480504, 560588, 600630, 640672, 700735, 760798, 800840, 840882, 961008, 1121176, 1141197, 1201260, 1281344, 1401470, 1521596, 1601680, 1681764, 1901995, 1922016, 2102205, 2242352, 2282394, 2402520, 2662793, 2802940, 3043192, 3203360, 3363528, 3803990, 3844032, 4204410, 4484704, 4564788, 4805040, 5325586, 5605880, 5705985, 6086384, 6406720, 6727056, 7607980, 7988379, 8408820, 8969408, 9129576, 9610080, 10651172, 11211760, 11411970, 12172768, 13313965, 13454112, 15215960, 15976758, 16817640, 18259152, 19220160, 21302344, 22423520, 22823940, 24345536, 26627930, 26908224, 30431920, 31953516, 33635280, 36518304, 39941895, 42604688, 44847040, 45647880, 53255860, 60863840, 63907032, 67270560, 73036608, 79883790, 85209376, 91295760, 106511720, 121727680, 127814064, 134541120, 159767580, 170418752, 182591520, 213023440, 255628128, 319535160, 365183040, 426046880, 511256256, 639070320, 852093760, 1278140640, 2556281280]

約数ペア:

[(1, 2556281280), (2, 1278140640), (3, 852093760), (4, 639070320), (5, 511256256), (6, 426046880), (7, 365183040), (8, 319535160), (10, 255628128), (12, 213023440), (14, 182591520), (15, 170418752), (16, 159767580), (19, 134541120), (20, 127814064), (21, 121727680), (24, 106511720), (28, 91295760), (30, 85209376), (32, 79883790), (35, 73036608), (38, 67270560), (40, 63907032), (42, 60863840), (48, 53255860), (56, 45647880), (57, 44847040), (60, 42604688), (64, 39941895), (70, 36518304), (76, 33635280), (80, 31953516), (84, 30431920), (95, 26908224), (96, 26627930), (105, 24345536), (112, 22823940), (114, 22423520), (120, 21302344), (133, 19220160), (140, 18259152), (152, 16817640), (160, 15976758), (168, 15215960), (190, 13454112), (192, 13313965), (210, 12172768), (224, 11411970), (228, 11211760), (240, 10651172), (266, 9610080), (280, 9129576), (285, 8969408), (304, 8408820), (320, 7988379), (336, 7607980), (380, 6727056), (399, 6406720), (420, 6086384), (448, 5705985), (456, 5605880), (480, 5325586), (532, 4805040), (560, 4564788), (570, 4484704), (608, 4204410), (665, 3844032), (672, 3803990), (760, 3363528), (798, 3203360), (840, 3043192), (912, 2802940), (960, 2662793), (1064, 2402520), (1120, 2282394), (1140, 2242352), (1216, 2102205), (1330, 1922016), (1344, 1901995), (1520, 1681764), (1596, 1601680), (1680, 1521596), (1824, 1401470), (1995, 1281344), (2128, 1201260), (2240, 1141197), (2280, 1121176), (2660, 961008), (3040, 840882), (3192, 800840), (3360, 760798), (3648, 700735), (3990, 640672), (4256, 600630), (4560, 560588), (5320, 480504), (6080, 420441), (6384, 400420), (6720, 380399), (7980, 320336), (8512, 300315), (9120, 280294), (10640, 240252), (12768, 200210), (15960, 160168), (18240, 140147), (20021, 127680), (21280, 120126), (25536, 100105), (31920, 80084), (40042, 63840), (42560, 60063)]