820957020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1301}}^1$

素因数の和:2135

約数の個数: 96

約数和(自身を含む): 2480466240

約数和(自身を除く): 1659509220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 809, 1301, 1618, 2427, 2602, 3236, 3903, 4045, 4854, 5204, 6505, 7806, 8090, 9708, 10517, 12135, 13010, 15612, 16180, 16913, 19515, 21034, 24270, 26020, 31551, 33826, 39030, 42068, 48540, 50739, 52585, 63102, 67652, 78060, 84565, 101478, 105170, 126204, 157755, 169130, 202956, 210340, 253695, 315510, 338260, 507390, 631020, 1014780, 1052509, 2105018, 3157527, 4210036, 5262545, 6315054, 10525090, 12630108, 13682617, 15787635, 21050180, 27365234, 31575270, 41047851, 54730468, 63150540, 68413085, 82095702, 136826170, 164191404, 205239255, 273652340, 410478510, 820957020]

約数ペア:

[(1, 820957020), (2, 410478510), (3, 273652340), (4, 205239255), (5, 164191404), (6, 136826170), (10, 82095702), (12, 68413085), (13, 63150540), (15, 54730468), (20, 41047851), (26, 31575270), (30, 27365234), (39, 21050180), (52, 15787635), (60, 13682617), (65, 12630108), (78, 10525090), (130, 6315054), (156, 5262545), (195, 4210036), (260, 3157527), (390, 2105018), (780, 1052509), (809, 1014780), (1301, 631020), (1618, 507390), (2427, 338260), (2602, 315510), (3236, 253695), (3903, 210340), (4045, 202956), (4854, 169130), (5204, 157755), (6505, 126204), (7806, 105170), (8090, 101478), (9708, 84565), (10517, 78060), (12135, 67652), (13010, 63102), (15612, 52585), (16180, 50739), (16913, 48540), (19515, 42068), (21034, 39030), (24270, 33826), (26020, 31551)]