90450640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8501}}^1$

素因数の和:8540

約数の個数: 80

約数和(自身を含む): 253019520

約数和(自身を除く): 162568880

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, 8501, 10640, 17002, 34004, 42505, 59507, 68008, 85010, 119014, 136016, 161519, 170020, 238028, 297535, 323038, 340040, 476056, 595070, 646076, 680080, 807595, 952112, 1130633, 1190140, 1292152, 1615190, 2261266, 2380280, 2584304, 3230380, 4522532, 4760560, 5653165, 6460760, 9045064, 11306330, 12921520, 18090128, 22612660, 45225320, 90450640]

約数ペア:

[(1, 90450640), (2, 45225320), (4, 22612660), (5, 18090128), (7, 12921520), (8, 11306330), (10, 9045064), (14, 6460760), (16, 5653165), (19, 4760560), (20, 4522532), (28, 3230380), (35, 2584304), (38, 2380280), (40, 2261266), (56, 1615190), (70, 1292152), (76, 1190140), (80, 1130633), (95, 952112), (112, 807595), (133, 680080), (140, 646076), (152, 595070), (190, 476056), (266, 340040), (280, 323038), (304, 297535), (380, 238028), (532, 170020), (560, 161519), (665, 136016), (760, 119014), (1064, 85010), (1330, 68008), (1520, 59507), (2128, 42505), (2660, 34004), (5320, 17002), (8501, 10640)]