131071980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{853}}^1$

素因数の和:1075

約数の個数: 96

約数和(自身を含む): 397704384

約数和(自身を除く): 266632404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 197, 260, 390, 394, 591, 780, 788, 853, 985, 1182, 1706, 1970, 2364, 2559, 2561, 2955, 3412, 3940, 4265, 5118, 5122, 5910, 7683, 8530, 10236, 10244, 11089, 11820, 12795, 12805, 15366, 17060, 22178, 25590, 25610, 30732, 33267, 38415, 44356, 51180, 51220, 55445, 66534, 76830, 110890, 133068, 153660, 166335, 168041, 221780, 332670, 336082, 504123, 665340, 672164, 840205, 1008246, 1680410, 2016492, 2184533, 2520615, 3360820, 4369066, 5041230, 6553599, 8738132, 10082460, 10922665, 13107198, 21845330, 26214396, 32767995, 43690660, 65535990, 131071980]

約数ペア:

[(1, 131071980), (2, 65535990), (3, 43690660), (4, 32767995), (5, 26214396), (6, 21845330), (10, 13107198), (12, 10922665), (13, 10082460), (15, 8738132), (20, 6553599), (26, 5041230), (30, 4369066), (39, 3360820), (52, 2520615), (60, 2184533), (65, 2016492), (78, 1680410), (130, 1008246), (156, 840205), (195, 672164), (197, 665340), (260, 504123), (390, 336082), (394, 332670), (591, 221780), (780, 168041), (788, 166335), (853, 153660), (985, 133068), (1182, 110890), (1706, 76830), (1970, 66534), (2364, 55445), (2559, 51220), (2561, 51180), (2955, 44356), (3412, 38415), (3940, 33267), (4265, 30732), (5118, 25610), (5122, 25590), (5910, 22178), (7683, 17060), (8530, 15366), (10236, 12805), (10244, 12795), (11089, 11820)]