28041930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 87989760

約数和(自身を除く): 59947830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 401, 518, 555, 630, 666, 777, 802, 945, 999, 1110, 1203, 1295, 1554, 1665, 1890, 1998, 2005, 2331, 2406, 2590, 2807, 3330, 3609, 3885, 4010, 4662, 4995, 5614, 6015, 6993, 7218, 7770, 8421, 9990, 10827, 11655, 12030, 13986, 14035, 14837, 16842, 18045, 21654, 23310, 25263, 28070, 29674, 34965, 36090, 42105, 44511, 50526, 54135, 69930, 74185, 75789, 84210, 89022, 103859, 108270, 126315, 133533, 148370, 151578, 207718, 222555, 252630, 267066, 311577, 378945, 400599, 445110, 519295, 623154, 667665, 757890, 801198, 934731, 1038590, 1335330, 1557885, 1869462, 2002995, 2804193, 3115770, 4005990, 4673655, 5608386, 9347310, 14020965, 28041930]

約数ペア:

[(1, 28041930), (2, 14020965), (3, 9347310), (5, 5608386), (6, 4673655), (7, 4005990), (9, 3115770), (10, 2804193), (14, 2002995), (15, 1869462), (18, 1557885), (21, 1335330), (27, 1038590), (30, 934731), (35, 801198), (37, 757890), (42, 667665), (45, 623154), (54, 519295), (63, 445110), (70, 400599), (74, 378945), (90, 311577), (105, 267066), (111, 252630), (126, 222555), (135, 207718), (185, 151578), (189, 148370), (210, 133533), (222, 126315), (259, 108270), (270, 103859), (315, 89022), (333, 84210), (370, 75789), (378, 74185), (401, 69930), (518, 54135), (555, 50526), (630, 44511), (666, 42105), (777, 36090), (802, 34965), (945, 29674), (999, 28070), (1110, 25263), (1203, 23310), (1295, 21654), (1554, 18045), (1665, 16842), (1890, 14837), (1998, 14035), (2005, 13986), (2331, 12030), (2406, 11655), (2590, 10827), (2807, 9990), (3330, 8421), (3609, 7770), (3885, 7218), (4010, 6993), (4662, 6015), (4995, 5614)]