71051580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:801

約数の個数: 120

約数和(自身を含む): 226860480

約数和(自身を除く): 155808900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 719, 732, 810, 915, 1098, 1220, 1438, 1620, 1647, 1830, 2157, 2196, 2745, 2876, 3294, 3595, 3660, 4314, 4941, 5490, 6471, 6588, 7190, 8235, 8628, 9882, 10785, 10980, 12942, 14380, 16470, 19413, 19764, 21570, 24705, 25884, 32355, 32940, 38826, 43140, 43859, 49410, 58239, 64710, 77652, 87718, 97065, 98820, 116478, 129420, 131577, 175436, 194130, 219295, 232956, 263154, 291195, 388260, 394731, 438590, 526308, 582390, 657885, 789462, 877180, 1164780, 1184193, 1315770, 1578924, 1973655, 2368386, 2631540, 3552579, 3947310, 4736772, 5920965, 7105158, 7894620, 11841930, 14210316, 17762895, 23683860, 35525790, 71051580]

約数ペア:

[(1, 71051580), (2, 35525790), (3, 23683860), (4, 17762895), (5, 14210316), (6, 11841930), (9, 7894620), (10, 7105158), (12, 5920965), (15, 4736772), (18, 3947310), (20, 3552579), (27, 2631540), (30, 2368386), (36, 1973655), (45, 1578924), (54, 1315770), (60, 1184193), (61, 1164780), (81, 877180), (90, 789462), (108, 657885), (122, 582390), (135, 526308), (162, 438590), (180, 394731), (183, 388260), (244, 291195), (270, 263154), (305, 232956), (324, 219295), (366, 194130), (405, 175436), (540, 131577), (549, 129420), (610, 116478), (719, 98820), (732, 97065), (810, 87718), (915, 77652), (1098, 64710), (1220, 58239), (1438, 49410), (1620, 43859), (1647, 43140), (1830, 38826), (2157, 32940), (2196, 32355), (2745, 25884), (2876, 24705), (3294, 21570), (3595, 19764), (3660, 19413), (4314, 16470), (4941, 14380), (5490, 12942), (6471, 10980), (6588, 10785), (7190, 9882), (8235, 8628)]