1299681320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{244301}}^1$

素因数の和:244338

約数の個数: 64

約数和(自身を含む): 3517948800

約数和(自身を除く): 2218267480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 244301, 488602, 977204, 1221505, 1710107, 1954408, 2443010, 3420214, 4641719, 4886020, 6840428, 8550535, 9283438, 9772040, 13680856, 17101070, 18566876, 23208595, 32492033, 34202140, 37133752, 46417190, 64984066, 68404280, 92834380, 129968132, 162460165, 185668760, 259936264, 324920330, 649840660, 1299681320]

約数ペア:

[(1, 1299681320), (2, 649840660), (4, 324920330), (5, 259936264), (7, 185668760), (8, 162460165), (10, 129968132), (14, 92834380), (19, 68404280), (20, 64984066), (28, 46417190), (35, 37133752), (38, 34202140), (40, 32492033), (56, 23208595), (70, 18566876), (76, 17101070), (95, 13680856), (133, 9772040), (140, 9283438), (152, 8550535), (190, 6840428), (266, 4886020), (280, 4641719), (380, 3420214), (532, 2443010), (665, 1954408), (760, 1710107), (1064, 1221505), (1330, 977204), (2660, 488602), (5320, 244301)]