1815676580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1173

約数の個数: 96

約数和(自身を含む): 4128558336

約数和(自身を除く): 2312881756

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 107, 115, 148, 185, 214, 230, 370, 428, 460, 535, 740, 851, 997, 1070, 1702, 1994, 2140, 2461, 3404, 3959, 3988, 4255, 4922, 4985, 7918, 8510, 9844, 9970, 12305, 15836, 17020, 19795, 19940, 22931, 24610, 36889, 39590, 45862, 49220, 73778, 79180, 91057, 91724, 106679, 114655, 147556, 182114, 184445, 213358, 229310, 364228, 368890, 426716, 455285, 458620, 533395, 737780, 848447, 910570, 1066790, 1696894, 1821140, 2133580, 2453617, 3393788, 3947123, 4242235, 4907234, 7894246, 8484470, 9814468, 12268085, 15788492, 16968940, 19735615, 24536170, 39471230, 49072340, 78942460, 90783829, 181567658, 363135316, 453919145, 907838290, 1815676580]

約数ペア:

[(1, 1815676580), (2, 907838290), (4, 453919145), (5, 363135316), (10, 181567658), (20, 90783829), (23, 78942460), (37, 49072340), (46, 39471230), (74, 24536170), (92, 19735615), (107, 16968940), (115, 15788492), (148, 12268085), (185, 9814468), (214, 8484470), (230, 7894246), (370, 4907234), (428, 4242235), (460, 3947123), (535, 3393788), (740, 2453617), (851, 2133580), (997, 1821140), (1070, 1696894), (1702, 1066790), (1994, 910570), (2140, 848447), (2461, 737780), (3404, 533395), (3959, 458620), (3988, 455285), (4255, 426716), (4922, 368890), (4985, 364228), (7918, 229310), (8510, 213358), (9844, 184445), (9970, 182114), (12305, 147556), (15836, 114655), (17020, 106679), (19795, 91724), (19940, 91057), (22931, 79180), (24610, 73778), (36889, 49220), (39590, 45862)]