1097153680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{12479}}^1$

素因数の和:12656

約数の個数: 80

約数和(自身を含む): 2934097920

約数和(自身を除く): 1836944240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 4396, 5495, 6280, 8792, 10990, 12479, 12560, 17584, 21980, 24958, 43960, 49916, 62395, 87353, 87920, 99832, 124790, 174706, 199664, 249580, 349412, 436765, 499160, 698824, 873530, 998320, 1397648, 1747060, 1959203, 3494120, 3918406, 6988240, 7836812, 9796015, 13714421, 15673624, 19592030, 27428842, 31347248, 39184060, 54857684, 68572105, 78368120, 109715368, 137144210, 156736240, 219430736, 274288420, 548576840, 1097153680]

約数ペア:

[(1, 1097153680), (2, 548576840), (4, 274288420), (5, 219430736), (7, 156736240), (8, 137144210), (10, 109715368), (14, 78368120), (16, 68572105), (20, 54857684), (28, 39184060), (35, 31347248), (40, 27428842), (56, 19592030), (70, 15673624), (80, 13714421), (112, 9796015), (140, 7836812), (157, 6988240), (280, 3918406), (314, 3494120), (560, 1959203), (628, 1747060), (785, 1397648), (1099, 998320), (1256, 873530), (1570, 698824), (2198, 499160), (2512, 436765), (3140, 349412), (4396, 249580), (5495, 199664), (6280, 174706), (8792, 124790), (10990, 99832), (12479, 87920), (12560, 87353), (17584, 62395), (21980, 49916), (24958, 43960)]