9780138008080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{182193331}}^1$

素因数の和:182193416

約数の個数: 80

約数和(自身を含む): 25212642055488

約数和(自身を除く): 15432504047408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 2440, 2684, 3355, 4880, 5368, 6710, 10736, 13420, 26840, 53680, 182193331, 364386662, 728773324, 910966655, 1457546648, 1821933310, 2004126641, 2915093296, 3643866620, 4008253282, 7287733240, 8016506564, 10020633205, 11113793191, 14575466480, 16033013128, 20041266410, 22227586382, 32066026256, 40082532820, 44455172764, 55568965955, 80165065640, 88910345528, 111137931910, 122251725101, 160330131280, 177820691056, 222275863820, 244503450202, 444551727640, 489006900404, 611258625505, 889103455280, 978013800808, 1222517251010, 1956027601616, 2445034502020, 4890069004040, 9780138008080]

約数ペア:

[(1, 9780138008080), (2, 4890069004040), (4, 2445034502020), (5, 1956027601616), (8, 1222517251010), (10, 978013800808), (11, 889103455280), (16, 611258625505), (20, 489006900404), (22, 444551727640), (40, 244503450202), (44, 222275863820), (55, 177820691056), (61, 160330131280), (80, 122251725101), (88, 111137931910), (110, 88910345528), (122, 80165065640), (176, 55568965955), (220, 44455172764), (244, 40082532820), (305, 32066026256), (440, 22227586382), (488, 20041266410), (610, 16033013128), (671, 14575466480), (880, 11113793191), (976, 10020633205), (1220, 8016506564), (1342, 7287733240), (2440, 4008253282), (2684, 3643866620), (3355, 2915093296), (4880, 2004126641), (5368, 1821933310), (6710, 1457546648), (10736, 910966655), (13420, 728773324), (26840, 364386662), (53680, 182193331)]