65387280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38921}}^1$

素因数の和:38944

約数の個数: 80

約数和(自身を含む): 231663744

約数和(自身を除く): 166276464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 38921, 77842, 116763, 155684, 194605, 233526, 272447, 311368, 389210, 467052, 544894, 583815, 622736, 778420, 817341, 934104, 1089788, 1167630, 1362235, 1556840, 1634682, 1868208, 2179576, 2335260, 2724470, 3113680, 3269364, 4086705, 4359152, 4670520, 5448940, 6538728, 8173410, 9341040, 10897880, 13077456, 16346820, 21795760, 32693640, 65387280]

約数ペア:

[(1, 65387280), (2, 32693640), (3, 21795760), (4, 16346820), (5, 13077456), (6, 10897880), (7, 9341040), (8, 8173410), (10, 6538728), (12, 5448940), (14, 4670520), (15, 4359152), (16, 4086705), (20, 3269364), (21, 3113680), (24, 2724470), (28, 2335260), (30, 2179576), (35, 1868208), (40, 1634682), (42, 1556840), (48, 1362235), (56, 1167630), (60, 1089788), (70, 934104), (80, 817341), (84, 778420), (105, 622736), (112, 583815), (120, 544894), (140, 467052), (168, 389210), (210, 311368), (240, 272447), (280, 233526), (336, 194605), (420, 155684), (560, 116763), (840, 77842), (1680, 38921)]