31307280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{130447}}^1$

素因数の和:130463

約数の個数: 40

約数和(自身を含む): 97053312

約数和(自身を除く): 65746032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 130447, 260894, 391341, 521788, 652235, 782682, 1043576, 1304470, 1565364, 1956705, 2087152, 2608940, 3130728, 3913410, 5217880, 6261456, 7826820, 10435760, 15653640, 31307280]

約数ペア:

[(1, 31307280), (2, 15653640), (3, 10435760), (4, 7826820), (5, 6261456), (6, 5217880), (8, 3913410), (10, 3130728), (12, 2608940), (15, 2087152), (16, 1956705), (20, 1565364), (24, 1304470), (30, 1043576), (40, 782682), (48, 652235), (60, 521788), (80, 391341), (120, 260894), (240, 130447)]