2019172980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{278123}}^1$

素因数の和:278157

約数の個数: 72

約数和(自身を含む): 6214402656

約数和(自身を除く): 4195229676

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 278123, 556246, 834369, 1112492, 1390615, 1668738, 2781230, 3059353, 3337476, 4171845, 5562460, 6118706, 8343690, 9178059, 12237412, 15296765, 16687380, 18356118, 30593530, 33652883, 36712236, 45890295, 61187060, 67305766, 91780590, 100958649, 134611532, 168264415, 183561180, 201917298, 336528830, 403834596, 504793245, 673057660, 1009586490, 2019172980]

約数ペア:

[(1, 2019172980), (2, 1009586490), (3, 673057660), (4, 504793245), (5, 403834596), (6, 336528830), (10, 201917298), (11, 183561180), (12, 168264415), (15, 134611532), (20, 100958649), (22, 91780590), (30, 67305766), (33, 61187060), (44, 45890295), (55, 36712236), (60, 33652883), (66, 30593530), (110, 18356118), (121, 16687380), (132, 15296765), (165, 12237412), (220, 9178059), (242, 8343690), (330, 6118706), (363, 5562460), (484, 4171845), (605, 3337476), (660, 3059353), (726, 2781230), (1210, 1668738), (1452, 1390615), (1815, 1112492), (2420, 834369), (3630, 556246), (7260, 278123)]