642626640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8837}}^1$

素因数の和:8957

約数の個数: 120

約数和(自身を含む): 2179768968

約数和(自身を除く): 1537142328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 1010, 1212, 1515, 1616, 1818, 2020, 2424, 3030, 3636, 4040, 4545, 4848, 6060, 7272, 8080, 8837, 9090, 12120, 14544, 17674, 18180, 24240, 26511, 35348, 36360, 44185, 53022, 70696, 72720, 79533, 88370, 106044, 132555, 141392, 159066, 176740, 212088, 265110, 318132, 353480, 397665, 424176, 530220, 636264, 706960, 795330, 892537, 1060440, 1272528, 1590660, 1785074, 2120880, 2677611, 3181320, 3570148, 4462685, 5355222, 6362640, 7140296, 8032833, 8925370, 10710444, 13388055, 14280592, 16065666, 17850740, 21420888, 26776110, 32131332, 35701480, 40164165, 42841776, 53552220, 64262664, 71402960, 80328330, 107104440, 128525328, 160656660, 214208880, 321313320, 642626640]

約数ペア:

[(1, 642626640), (2, 321313320), (3, 214208880), (4, 160656660), (5, 128525328), (6, 107104440), (8, 80328330), (9, 71402960), (10, 64262664), (12, 53552220), (15, 42841776), (16, 40164165), (18, 35701480), (20, 32131332), (24, 26776110), (30, 21420888), (36, 17850740), (40, 16065666), (45, 14280592), (48, 13388055), (60, 10710444), (72, 8925370), (80, 8032833), (90, 7140296), (101, 6362640), (120, 5355222), (144, 4462685), (180, 3570148), (202, 3181320), (240, 2677611), (303, 2120880), (360, 1785074), (404, 1590660), (505, 1272528), (606, 1060440), (720, 892537), (808, 795330), (909, 706960), (1010, 636264), (1212, 530220), (1515, 424176), (1616, 397665), (1818, 353480), (2020, 318132), (2424, 265110), (3030, 212088), (3636, 176740), (4040, 159066), (4545, 141392), (4848, 132555), (6060, 106044), (7272, 88370), (8080, 79533), (8837, 72720), (9090, 70696), (12120, 53022), (14544, 44185), (17674, 36360), (18180, 35348), (24240, 26511)]