1521777790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2257

約数の個数: 64

約数和(自身を含む): 3030773760

約数和(自身を除く): 1508995970

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 79, 130, 142, 158, 355, 395, 710, 790, 923, 1027, 1846, 2054, 2087, 4174, 4615, 5135, 5609, 9230, 10270, 10435, 11218, 20870, 27131, 28045, 54262, 56090, 72917, 135655, 145834, 148177, 164873, 271310, 296354, 329746, 364585, 729170, 740885, 824365, 1481770, 1648730, 1926301, 2143349, 3852602, 4286698, 9631505, 10716745, 11705983, 19263010, 21433490, 23411966, 58529915, 117059830, 152177779, 304355558, 760888895, 1521777790]

約数ペア:

[(1, 1521777790), (2, 760888895), (5, 304355558), (10, 152177779), (13, 117059830), (26, 58529915), (65, 23411966), (71, 21433490), (79, 19263010), (130, 11705983), (142, 10716745), (158, 9631505), (355, 4286698), (395, 3852602), (710, 2143349), (790, 1926301), (923, 1648730), (1027, 1481770), (1846, 824365), (2054, 740885), (2087, 729170), (4174, 364585), (4615, 329746), (5135, 296354), (5609, 271310), (9230, 164873), (10270, 148177), (10435, 145834), (11218, 135655), (20870, 72917), (27131, 56090), (28045, 54262)]