2015806820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:1005

約数の個数: 96

約数和(自身を含む): 4535032320

約数和(自身を除く): 2519225500

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 103, 116, 145, 164, 205, 206, 290, 410, 412, 515, 580, 820, 823, 1030, 1189, 1646, 2060, 2378, 2987, 3292, 4115, 4223, 4756, 5945, 5974, 8230, 8446, 11890, 11948, 14935, 16460, 16892, 21115, 23780, 23867, 29870, 33743, 42230, 47734, 59740, 67486, 84460, 84769, 95468, 119335, 122467, 134972, 168715, 169538, 238670, 244934, 337430, 339076, 423845, 477340, 489868, 612335, 674860, 847690, 978547, 1224670, 1695380, 1957094, 2449340, 2458301, 3475529, 3914188, 4892735, 4916602, 6951058, 9785470, 9833204, 12291505, 13902116, 17377645, 19570940, 24583010, 34755290, 49166020, 69510580, 100790341, 201580682, 403161364, 503951705, 1007903410, 2015806820]

約数ペア:

[(1, 2015806820), (2, 1007903410), (4, 503951705), (5, 403161364), (10, 201580682), (20, 100790341), (29, 69510580), (41, 49166020), (58, 34755290), (82, 24583010), (103, 19570940), (116, 17377645), (145, 13902116), (164, 12291505), (205, 9833204), (206, 9785470), (290, 6951058), (410, 4916602), (412, 4892735), (515, 3914188), (580, 3475529), (820, 2458301), (823, 2449340), (1030, 1957094), (1189, 1695380), (1646, 1224670), (2060, 978547), (2378, 847690), (2987, 674860), (3292, 612335), (4115, 489868), (4223, 477340), (4756, 423845), (5945, 339076), (5974, 337430), (8230, 244934), (8446, 238670), (11890, 169538), (11948, 168715), (14935, 134972), (16460, 122467), (16892, 119335), (21115, 95468), (23780, 84769), (23867, 84460), (29870, 67486), (33743, 59740), (42230, 47734)]