15991440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1$

素因数の和:2936

約数の個数: 80

約数和(自身を含む): 51746688

約数和(自身を除く): 35755248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 2897, 5520, 5794, 8691, 11588, 14485, 17382, 23176, 28970, 34764, 43455, 46352, 57940, 66631, 69528, 86910, 115880, 133262, 139056, 173820, 199893, 231760, 266524, 333155, 347640, 399786, 533048, 666310, 695280, 799572, 999465, 1066096, 1332620, 1599144, 1998930, 2665240, 3198288, 3997860, 5330480, 7995720, 15991440]

約数ペア:

[(1, 15991440), (2, 7995720), (3, 5330480), (4, 3997860), (5, 3198288), (6, 2665240), (8, 1998930), (10, 1599144), (12, 1332620), (15, 1066096), (16, 999465), (20, 799572), (23, 695280), (24, 666310), (30, 533048), (40, 399786), (46, 347640), (48, 333155), (60, 266524), (69, 231760), (80, 199893), (92, 173820), (115, 139056), (120, 133262), (138, 115880), (184, 86910), (230, 69528), (240, 66631), (276, 57940), (345, 46352), (368, 43455), (460, 34764), (552, 28970), (690, 23176), (920, 17382), (1104, 14485), (1380, 11588), (1840, 8691), (2760, 5794), (2897, 5520)]