201631640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2677}}^1$

素因数の和:2964

約数の個数: 64

約数和(自身を含む): 520603200

約数和(自身を除く): 318971560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 1076, 1345, 1883, 2152, 2677, 2690, 3766, 5354, 5380, 7532, 9415, 10708, 10760, 13385, 15064, 18739, 18830, 21416, 26770, 37478, 37660, 53540, 74956, 75320, 93695, 107080, 149912, 187390, 374780, 720113, 749560, 1440226, 2880452, 3600565, 5040791, 5760904, 7201130, 10081582, 14402260, 20163164, 25203955, 28804520, 40326328, 50407910, 100815820, 201631640]

約数ペア:

[(1, 201631640), (2, 100815820), (4, 50407910), (5, 40326328), (7, 28804520), (8, 25203955), (10, 20163164), (14, 14402260), (20, 10081582), (28, 7201130), (35, 5760904), (40, 5040791), (56, 3600565), (70, 2880452), (140, 1440226), (269, 749560), (280, 720113), (538, 374780), (1076, 187390), (1345, 149912), (1883, 107080), (2152, 93695), (2677, 75320), (2690, 74956), (3766, 53540), (5354, 37660), (5380, 37478), (7532, 26770), (9415, 21416), (10708, 18830), (10760, 18739), (13385, 15064)]