245391720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{292133}}^1$

素因数の和:292154

約数の個数: 64

約数和(自身を含む): 841345920

約数和(自身を除く): 595954200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 292133, 584266, 876399, 1168532, 1460665, 1752798, 2044931, 2337064, 2921330, 3505596, 4089862, 4381995, 5842660, 6134793, 7011192, 8179724, 8763990, 10224655, 11685320, 12269586, 16359448, 17527980, 20449310, 24539172, 30673965, 35055960, 40898620, 49078344, 61347930, 81797240, 122695860, 245391720]

約数ペア:

[(1, 245391720), (2, 122695860), (3, 81797240), (4, 61347930), (5, 49078344), (6, 40898620), (7, 35055960), (8, 30673965), (10, 24539172), (12, 20449310), (14, 17527980), (15, 16359448), (20, 12269586), (21, 11685320), (24, 10224655), (28, 8763990), (30, 8179724), (35, 7011192), (40, 6134793), (42, 5842660), (56, 4381995), (60, 4089862), (70, 3505596), (84, 2921330), (105, 2337064), (120, 2044931), (140, 1752798), (168, 1460665), (210, 1168532), (280, 876399), (420, 584266), (840, 292133)]