646305780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{54679}}^1$

素因数の和:54888

約数の個数: 48

約数和(自身を含む): 1818875520

約数和(自身を除く): 1172569740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 11820, 54679, 109358, 164037, 218716, 273395, 328074, 546790, 656148, 820185, 1093580, 1640370, 3280740, 10771763, 21543526, 32315289, 43087052, 53858815, 64630578, 107717630, 129261156, 161576445, 215435260, 323152890, 646305780]

約数ペア:

[(1, 646305780), (2, 323152890), (3, 215435260), (4, 161576445), (5, 129261156), (6, 107717630), (10, 64630578), (12, 53858815), (15, 43087052), (20, 32315289), (30, 21543526), (60, 10771763), (197, 3280740), (394, 1640370), (591, 1093580), (788, 820185), (985, 656148), (1182, 546790), (1970, 328074), (2364, 273395), (2955, 218716), (3940, 164037), (5910, 109358), (11820, 54679)]