306725320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 766080000

約数和(自身を除く): 459354680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 127, 220, 242, 254, 440, 484, 499, 508, 605, 635, 968, 998, 1016, 1210, 1270, 1397, 1996, 2420, 2495, 2540, 2794, 3992, 4840, 4990, 5080, 5489, 5588, 6985, 9980, 10978, 11176, 13970, 15367, 19960, 21956, 27445, 27940, 30734, 43912, 54890, 55880, 60379, 61468, 63373, 76835, 109780, 120758, 122936, 126746, 153670, 219560, 241516, 253492, 301895, 307340, 316865, 483032, 506984, 603790, 614680, 633730, 697103, 1207580, 1267460, 1394206, 2415160, 2534920, 2788412, 3485515, 5576824, 6971030, 7668133, 13942060, 15336266, 27884120, 30672532, 38340665, 61345064, 76681330, 153362660, 306725320]

約数ペア:

[(1, 306725320), (2, 153362660), (4, 76681330), (5, 61345064), (8, 38340665), (10, 30672532), (11, 27884120), (20, 15336266), (22, 13942060), (40, 7668133), (44, 6971030), (55, 5576824), (88, 3485515), (110, 2788412), (121, 2534920), (127, 2415160), (220, 1394206), (242, 1267460), (254, 1207580), (440, 697103), (484, 633730), (499, 614680), (508, 603790), (605, 506984), (635, 483032), (968, 316865), (998, 307340), (1016, 301895), (1210, 253492), (1270, 241516), (1397, 219560), (1996, 153670), (2420, 126746), (2495, 122936), (2540, 120758), (2794, 109780), (3992, 76835), (4840, 63373), (4990, 61468), (5080, 60379), (5489, 55880), (5588, 54890), (6985, 43912), (9980, 30734), (10978, 27940), (11176, 27445), (13970, 21956), (15367, 19960)]