720822078

素因数分解:

$2^1\times 3^7\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 1631078400

約数和(自身を除く): 910256322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 243, 446, 486, 669, 729, 739, 1338, 1458, 1478, 2007, 2187, 2217, 4014, 4374, 4434, 6021, 6651, 12042, 13302, 18063, 19953, 36126, 39906, 54189, 59859, 108378, 119718, 162567, 164797, 179577, 325134, 329594, 359154, 487701, 494391, 538731, 975402, 988782, 1077462, 1483173, 1616193, 2966346, 3232386, 4449519, 8899038, 13348557, 26697114, 40045671, 80091342, 120137013, 240274026, 360411039, 720822078]

約数ペア:

[(1, 720822078), (2, 360411039), (3, 240274026), (6, 120137013), (9, 80091342), (18, 40045671), (27, 26697114), (54, 13348557), (81, 8899038), (162, 4449519), (223, 3232386), (243, 2966346), (446, 1616193), (486, 1483173), (669, 1077462), (729, 988782), (739, 975402), (1338, 538731), (1458, 494391), (1478, 487701), (2007, 359154), (2187, 329594), (2217, 325134), (4014, 179577), (4374, 164797), (4434, 162567), (6021, 119718), (6651, 108378), (12042, 59859), (13302, 54189), (18063, 39906), (19953, 36126)]