72315880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19867}}^1$

素因数の和:19898

約数の個数: 64

約数和(自身を含む): 200269440

約数和(自身を除く): 127953560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19867, 39734, 79468, 99335, 139069, 158936, 198670, 258271, 278138, 397340, 516542, 556276, 695345, 794680, 1033084, 1112552, 1291355, 1390690, 1807897, 2066168, 2582710, 2781380, 3615794, 5165420, 5562760, 7231588, 9039485, 10330840, 14463176, 18078970, 36157940, 72315880]

約数ペア:

[(1, 72315880), (2, 36157940), (4, 18078970), (5, 14463176), (7, 10330840), (8, 9039485), (10, 7231588), (13, 5562760), (14, 5165420), (20, 3615794), (26, 2781380), (28, 2582710), (35, 2066168), (40, 1807897), (52, 1390690), (56, 1291355), (65, 1112552), (70, 1033084), (91, 794680), (104, 695345), (130, 556276), (140, 516542), (182, 397340), (260, 278138), (280, 258271), (364, 198670), (455, 158936), (520, 139069), (728, 99335), (910, 79468), (1820, 39734), (3640, 19867)]