26987280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4889}}^1$

素因数の和:4928

約数の個数: 80

約数和(自身を含む): 87315840

約数和(自身を除く): 60328560

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, 4889, 5520, 9778, 14667, 19556, 24445, 29334, 39112, 48890, 58668, 73335, 78224, 97780, 112447, 117336, 146670, 195560, 224894, 234672, 293340, 337341, 391120, 449788, 562235, 586680, 674682, 899576, 1124470, 1173360, 1349364, 1686705, 1799152, 2248940, 2698728, 3373410, 4497880, 5397456, 6746820, 8995760, 13493640, 26987280]

約数ペア:

[(1, 26987280), (2, 13493640), (3, 8995760), (4, 6746820), (5, 5397456), (6, 4497880), (8, 3373410), (10, 2698728), (12, 2248940), (15, 1799152), (16, 1686705), (20, 1349364), (23, 1173360), (24, 1124470), (30, 899576), (40, 674682), (46, 586680), (48, 562235), (60, 449788), (69, 391120), (80, 337341), (92, 293340), (115, 234672), (120, 224894), (138, 195560), (184, 146670), (230, 117336), (240, 112447), (276, 97780), (345, 78224), (368, 73335), (460, 58668), (552, 48890), (690, 39112), (920, 29334), (1104, 24445), (1380, 19556), (1840, 14667), (2760, 9778), (4889, 5520)]