55781320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 151683840

約数和(自身を除く): 95902520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 43, 56, 70, 82, 86, 113, 140, 164, 172, 205, 215, 226, 280, 287, 301, 328, 344, 410, 430, 452, 565, 574, 602, 791, 820, 860, 904, 1130, 1148, 1204, 1435, 1505, 1582, 1640, 1720, 1763, 2260, 2296, 2408, 2870, 3010, 3164, 3526, 3955, 4520, 4633, 4859, 5740, 6020, 6328, 7052, 7910, 8815, 9266, 9718, 11480, 12040, 12341, 14104, 15820, 17630, 18532, 19436, 23165, 24295, 24682, 31640, 32431, 34013, 35260, 37064, 38872, 46330, 48590, 49364, 61705, 64862, 68026, 70520, 92660, 97180, 98728, 123410, 129724, 136052, 162155, 170065, 185320, 194360, 199219, 246820, 259448, 272104, 324310, 340130, 398438, 493640, 648620, 680260, 796876, 996095, 1297240, 1360520, 1394533, 1593752, 1992190, 2789066, 3984380, 5578132, 6972665, 7968760, 11156264, 13945330, 27890660, 55781320]

約数ペア:

[(1, 55781320), (2, 27890660), (4, 13945330), (5, 11156264), (7, 7968760), (8, 6972665), (10, 5578132), (14, 3984380), (20, 2789066), (28, 1992190), (35, 1593752), (40, 1394533), (41, 1360520), (43, 1297240), (56, 996095), (70, 796876), (82, 680260), (86, 648620), (113, 493640), (140, 398438), (164, 340130), (172, 324310), (205, 272104), (215, 259448), (226, 246820), (280, 199219), (287, 194360), (301, 185320), (328, 170065), (344, 162155), (410, 136052), (430, 129724), (452, 123410), (565, 98728), (574, 97180), (602, 92660), (791, 70520), (820, 68026), (860, 64862), (904, 61705), (1130, 49364), (1148, 48590), (1204, 46330), (1435, 38872), (1505, 37064), (1582, 35260), (1640, 34013), (1720, 32431), (1763, 31640), (2260, 24682), (2296, 24295), (2408, 23165), (2870, 19436), (3010, 18532), (3164, 17630), (3526, 15820), (3955, 14104), (4520, 12341), (4633, 12040), (4859, 11480), (5740, 9718), (6020, 9266), (6328, 8815), (7052, 7910)]