80142855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 147517440

約数和(自身を除く): 67374585

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 97, 195, 223, 247, 285, 291, 485, 669, 741, 1115, 1235, 1261, 1455, 1843, 2899, 3345, 3705, 3783, 4237, 5529, 6305, 8697, 9215, 12711, 14495, 18915, 21185, 21631, 23959, 27645, 43485, 55081, 63555, 64893, 71877, 108155, 119795, 165243, 275405, 281203, 324465, 359385, 410989, 826215, 843609, 1232967, 1406015, 2054945, 4218045, 5342857, 6164835, 16028571, 26714285, 80142855]

約数ペア:

[(1, 80142855), (3, 26714285), (5, 16028571), (13, 6164835), (15, 5342857), (19, 4218045), (39, 2054945), (57, 1406015), (65, 1232967), (95, 843609), (97, 826215), (195, 410989), (223, 359385), (247, 324465), (285, 281203), (291, 275405), (485, 165243), (669, 119795), (741, 108155), (1115, 71877), (1235, 64893), (1261, 63555), (1455, 55081), (1843, 43485), (2899, 27645), (3345, 23959), (3705, 21631), (3783, 21185), (4237, 18915), (5529, 14495), (6305, 12711), (8697, 9215)]