320156715

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 547430400

約数和(自身を除く): 227273685

約数列:

[1, 3, 5, 15, 43, 47, 59, 129, 141, 177, 179, 215, 235, 295, 537, 645, 705, 885, 895, 2021, 2537, 2685, 2773, 6063, 7611, 7697, 8319, 8413, 10105, 10561, 12685, 13865, 23091, 25239, 30315, 31683, 38055, 38485, 41595, 42065, 52805, 115455, 119239, 126195, 158415, 357717, 361759, 454123, 496367, 596195, 1085277, 1362369, 1489101, 1788585, 1808795, 2270615, 2481835, 5426385, 6811845, 7445505, 21343781, 64031343, 106718905, 320156715]

約数ペア:

[(1, 320156715), (3, 106718905), (5, 64031343), (15, 21343781), (43, 7445505), (47, 6811845), (59, 5426385), (129, 2481835), (141, 2270615), (177, 1808795), (179, 1788585), (215, 1489101), (235, 1362369), (295, 1085277), (537, 596195), (645, 496367), (705, 454123), (885, 361759), (895, 357717), (2021, 158415), (2537, 126195), (2685, 119239), (2773, 115455), (6063, 52805), (7611, 42065), (7697, 41595), (8319, 38485), (8413, 38055), (10105, 31683), (10561, 30315), (12685, 25239), (13865, 23091)]