80938480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7607}}^1$

素因数の和:7646

約数の個数: 80

約数和(自身を含む): 226414080

約数和(自身を除く): 145475600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 7607, 10640, 15214, 30428, 38035, 53249, 60856, 76070, 106498, 121712, 144533, 152140, 212996, 266245, 289066, 304280, 425992, 532490, 578132, 608560, 722665, 851984, 1011731, 1064980, 1156264, 1445330, 2023462, 2129960, 2312528, 2890660, 4046924, 4259920, 5058655, 5781320, 8093848, 10117310, 11562640, 16187696, 20234620, 40469240, 80938480]

約数ペア:

[(1, 80938480), (2, 40469240), (4, 20234620), (5, 16187696), (7, 11562640), (8, 10117310), (10, 8093848), (14, 5781320), (16, 5058655), (19, 4259920), (20, 4046924), (28, 2890660), (35, 2312528), (38, 2129960), (40, 2023462), (56, 1445330), (70, 1156264), (76, 1064980), (80, 1011731), (95, 851984), (112, 722665), (133, 608560), (140, 578132), (152, 532490), (190, 425992), (266, 304280), (280, 289066), (304, 266245), (380, 212996), (532, 152140), (560, 144533), (665, 121712), (760, 106498), (1064, 76070), (1330, 60856), (1520, 53249), (2128, 38035), (2660, 30428), (5320, 15214), (7607, 10640)]