15972516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 46510464

約数和(自身を除く): 30537948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 241, 252, 263, 482, 526, 723, 789, 964, 1052, 1446, 1578, 1687, 1841, 2169, 2367, 2892, 3156, 3374, 3682, 4338, 4734, 5061, 5523, 6748, 7364, 8676, 9468, 10122, 11046, 15183, 16569, 20244, 22092, 30366, 33138, 60732, 63383, 66276, 126766, 190149, 253532, 380298, 443681, 570447, 760596, 887362, 1140894, 1331043, 1774724, 2281788, 2662086, 3993129, 5324172, 7986258, 15972516]

約数ペア:

[(1, 15972516), (2, 7986258), (3, 5324172), (4, 3993129), (6, 2662086), (7, 2281788), (9, 1774724), (12, 1331043), (14, 1140894), (18, 887362), (21, 760596), (28, 570447), (36, 443681), (42, 380298), (63, 253532), (84, 190149), (126, 126766), (241, 66276), (252, 63383), (263, 60732), (482, 33138), (526, 30366), (723, 22092), (789, 20244), (964, 16569), (1052, 15183), (1446, 11046), (1578, 10122), (1687, 9468), (1841, 8676), (2169, 7364), (2367, 6748), (2892, 5523), (3156, 5061), (3374, 4734), (3682, 4338)]