27880140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 54856500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 89, 92, 115, 138, 178, 227, 230, 267, 276, 345, 356, 445, 454, 460, 534, 681, 690, 890, 908, 1068, 1135, 1335, 1362, 1380, 1780, 2047, 2270, 2670, 2724, 3405, 4094, 4540, 5221, 5340, 6141, 6810, 8188, 10235, 10442, 12282, 13620, 15663, 20203, 20470, 20884, 24564, 26105, 30705, 31326, 40406, 40940, 52210, 60609, 61410, 62652, 78315, 80812, 101015, 104420, 121218, 122820, 156630, 202030, 242436, 303045, 313260, 404060, 464669, 606090, 929338, 1212180, 1394007, 1858676, 2323345, 2788014, 4646690, 5576028, 6970035, 9293380, 13940070, 27880140]

約数ペア:

[(1, 27880140), (2, 13940070), (3, 9293380), (4, 6970035), (5, 5576028), (6, 4646690), (10, 2788014), (12, 2323345), (15, 1858676), (20, 1394007), (23, 1212180), (30, 929338), (46, 606090), (60, 464669), (69, 404060), (89, 313260), (92, 303045), (115, 242436), (138, 202030), (178, 156630), (227, 122820), (230, 121218), (267, 104420), (276, 101015), (345, 80812), (356, 78315), (445, 62652), (454, 61410), (460, 60609), (534, 52210), (681, 40940), (690, 40406), (890, 31326), (908, 30705), (1068, 26105), (1135, 24564), (1335, 20884), (1362, 20470), (1380, 20203), (1780, 15663), (2047, 13620), (2270, 12282), (2670, 10442), (2724, 10235), (3405, 8188), (4094, 6810), (4540, 6141), (5221, 5340)]