51520920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1$

素因数の和:1745

約数の個数: 128

約数和(自身を含む): 176048640

約数和(自身を除く): 124527720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1265, 1320, 1380, 1518, 1697, 2024, 2530, 2760, 3036, 3394, 3795, 5060, 5091, 6072, 6788, 7590, 8485, 10120, 10182, 13576, 15180, 16970, 18667, 20364, 25455, 30360, 33940, 37334, 39031, 40728, 50910, 56001, 67880, 74668, 78062, 93335, 101820, 112002, 117093, 149336, 156124, 186670, 195155, 203640, 224004, 234186, 280005, 312248, 373340, 390310, 429341, 448008, 468372, 560010, 585465, 746680, 780620, 858682, 936744, 1120020, 1170930, 1288023, 1561240, 1717364, 2146705, 2240040, 2341860, 2576046, 3434728, 4293410, 4683720, 5152092, 6440115, 8586820, 10304184, 12880230, 17173640, 25760460, 51520920]

約数ペア:

[(1, 51520920), (2, 25760460), (3, 17173640), (4, 12880230), (5, 10304184), (6, 8586820), (8, 6440115), (10, 5152092), (11, 4683720), (12, 4293410), (15, 3434728), (20, 2576046), (22, 2341860), (23, 2240040), (24, 2146705), (30, 1717364), (33, 1561240), (40, 1288023), (44, 1170930), (46, 1120020), (55, 936744), (60, 858682), (66, 780620), (69, 746680), (88, 585465), (92, 560010), (110, 468372), (115, 448008), (120, 429341), (132, 390310), (138, 373340), (165, 312248), (184, 280005), (220, 234186), (230, 224004), (253, 203640), (264, 195155), (276, 186670), (330, 156124), (345, 149336), (440, 117093), (460, 112002), (506, 101820), (552, 93335), (660, 78062), (690, 74668), (759, 67880), (920, 56001), (1012, 50910), (1265, 40728), (1320, 39031), (1380, 37334), (1518, 33940), (1697, 30360), (2024, 25455), (2530, 20364), (2760, 18667), (3036, 16970), (3394, 15180), (3795, 13576), (5060, 10182), (5091, 10120), (6072, 8485), (6788, 7590)]