73978760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 172972800

約数和(自身を除く): 98994040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 571, 632, 790, 820, 1142, 1580, 1640, 2284, 2855, 3160, 3239, 4568, 5710, 6478, 11420, 12956, 16195, 22840, 23411, 25912, 32390, 45109, 46822, 64780, 90218, 93644, 117055, 129560, 180436, 187288, 225545, 234110, 360872, 451090, 468220, 902180, 936440, 1804360, 1849469, 3698938, 7397876, 9247345, 14795752, 18494690, 36989380, 73978760]

約数ペア:

[(1, 73978760), (2, 36989380), (4, 18494690), (5, 14795752), (8, 9247345), (10, 7397876), (20, 3698938), (40, 1849469), (41, 1804360), (79, 936440), (82, 902180), (158, 468220), (164, 451090), (205, 360872), (316, 234110), (328, 225545), (395, 187288), (410, 180436), (571, 129560), (632, 117055), (790, 93644), (820, 90218), (1142, 64780), (1580, 46822), (1640, 45109), (2284, 32390), (2855, 25912), (3160, 23411), (3239, 22840), (4568, 16195), (5710, 12956), (6478, 11420)]