2015203970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{853}}^1\times {\mathrm{1069}}^1$

素因数の和:1959

約数の個数: 64

約数和(自身を含む): 4144906080

約数和(自身を除く): 2129702110

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 853, 1069, 1105, 1706, 2138, 2210, 4265, 5345, 8530, 10690, 11089, 13897, 14501, 18173, 22178, 27794, 29002, 36346, 55445, 69485, 72505, 90865, 110890, 138970, 145010, 181730, 188513, 236249, 377026, 472498, 911857, 942565, 1181245, 1823714, 1885130, 2362490, 4559285, 9118570, 11854141, 15501569, 23708282, 31003138, 59270705, 77507845, 118541410, 155015690, 201520397, 403040794, 1007601985, 2015203970]

約数ペア:

[(1, 2015203970), (2, 1007601985), (5, 403040794), (10, 201520397), (13, 155015690), (17, 118541410), (26, 77507845), (34, 59270705), (65, 31003138), (85, 23708282), (130, 15501569), (170, 11854141), (221, 9118570), (442, 4559285), (853, 2362490), (1069, 1885130), (1105, 1823714), (1706, 1181245), (2138, 942565), (2210, 911857), (4265, 472498), (5345, 377026), (8530, 236249), (10690, 188513), (11089, 181730), (13897, 145010), (14501, 138970), (18173, 110890), (22178, 90865), (27794, 72505), (29002, 69485), (36346, 55445)]