1720421080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{361433}}^1$

素因数の和:361468

約数の個数: 64

約数和(自身を含む): 4684184640

約数和(自身を除く): 2963763560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 361433, 722866, 1445732, 1807165, 2530031, 2891464, 3614330, 5060062, 6144361, 7228660, 10120124, 12288722, 12650155, 14457320, 20240248, 24577444, 25300310, 30721805, 43010527, 49154888, 50600620, 61443610, 86021054, 101201240, 122887220, 172042108, 215052635, 245774440, 344084216, 430105270, 860210540, 1720421080]

約数ペア:

[(1, 1720421080), (2, 860210540), (4, 430105270), (5, 344084216), (7, 245774440), (8, 215052635), (10, 172042108), (14, 122887220), (17, 101201240), (20, 86021054), (28, 61443610), (34, 50600620), (35, 49154888), (40, 43010527), (56, 30721805), (68, 25300310), (70, 24577444), (85, 20240248), (119, 14457320), (136, 12650155), (140, 12288722), (170, 10120124), (238, 7228660), (280, 6144361), (340, 5060062), (476, 3614330), (595, 2891464), (680, 2530031), (952, 1807165), (1190, 1445732), (2380, 722866), (4760, 361433)]