80980308

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 213158400

約数和(自身を除く): 132178092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 149, 186, 279, 298, 372, 447, 487, 558, 596, 894, 974, 1116, 1341, 1461, 1788, 1948, 2682, 2922, 4383, 4619, 5364, 5844, 8766, 9238, 13857, 15097, 17532, 18476, 27714, 30194, 41571, 45291, 55428, 60388, 72563, 83142, 90582, 135873, 145126, 166284, 181164, 217689, 271746, 290252, 435378, 543492, 653067, 870756, 1306134, 2249453, 2612268, 4498906, 6748359, 8997812, 13496718, 20245077, 26993436, 40490154, 80980308]

約数ペア:

[(1, 80980308), (2, 40490154), (3, 26993436), (4, 20245077), (6, 13496718), (9, 8997812), (12, 6748359), (18, 4498906), (31, 2612268), (36, 2249453), (62, 1306134), (93, 870756), (124, 653067), (149, 543492), (186, 435378), (279, 290252), (298, 271746), (372, 217689), (447, 181164), (487, 166284), (558, 145126), (596, 135873), (894, 90582), (974, 83142), (1116, 72563), (1341, 60388), (1461, 55428), (1788, 45291), (1948, 41571), (2682, 30194), (2922, 27714), (4383, 18476), (4619, 17532), (5364, 15097), (5844, 13857), (8766, 9238)]