305970280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{821}}^1$

素因数の和:872

約数の個数: 128

約数和(自身を含む): 866453760

約数和(自身を除く): 560483480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 821, 847, 968, 1210, 1331, 1540, 1642, 1694, 2420, 2662, 3080, 3284, 3388, 4105, 4235, 4840, 5324, 5747, 6568, 6655, 6776, 8210, 8470, 9031, 9317, 10648, 11494, 13310, 16420, 16940, 18062, 18634, 22988, 26620, 28735, 32840, 33880, 36124, 37268, 45155, 45976, 46585, 53240, 57470, 63217, 72248, 74536, 90310, 93170, 99341, 114940, 126434, 180620, 186340, 198682, 229880, 252868, 316085, 361240, 372680, 397364, 496705, 505736, 632170, 695387, 794728, 993410, 1092751, 1264340, 1390774, 1986820, 2185502, 2528680, 2781548, 3476935, 3973640, 4371004, 5463755, 5563096, 6953870, 7649257, 8742008, 10927510, 13907740, 15298514, 21855020, 27815480, 30597028, 38246285, 43710040, 61194056, 76492570, 152985140, 305970280]

約数ペア:

[(1, 305970280), (2, 152985140), (4, 76492570), (5, 61194056), (7, 43710040), (8, 38246285), (10, 30597028), (11, 27815480), (14, 21855020), (20, 15298514), (22, 13907740), (28, 10927510), (35, 8742008), (40, 7649257), (44, 6953870), (55, 5563096), (56, 5463755), (70, 4371004), (77, 3973640), (88, 3476935), (110, 2781548), (121, 2528680), (140, 2185502), (154, 1986820), (220, 1390774), (242, 1264340), (280, 1092751), (308, 993410), (385, 794728), (440, 695387), (484, 632170), (605, 505736), (616, 496705), (770, 397364), (821, 372680), (847, 361240), (968, 316085), (1210, 252868), (1331, 229880), (1540, 198682), (1642, 186340), (1694, 180620), (2420, 126434), (2662, 114940), (3080, 99341), (3284, 93170), (3388, 90310), (4105, 74536), (4235, 72248), (4840, 63217), (5324, 57470), (5747, 53240), (6568, 46585), (6655, 45976), (6776, 45155), (8210, 37268), (8470, 36124), (9031, 33880), (9317, 32840), (10648, 28735), (11494, 26620), (13310, 22988), (16420, 18634), (16940, 18062)]