138002320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 340424640

約数和(自身を除く): 202422320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 380, 557, 652, 760, 815, 1114, 1304, 1520, 1630, 2228, 2608, 2785, 3097, 3260, 4456, 5570, 6194, 6520, 8912, 10583, 11140, 12388, 13040, 15485, 21166, 22280, 24776, 30970, 42332, 44560, 49552, 52915, 61940, 84664, 90791, 105830, 123880, 169328, 181582, 211660, 247760, 363164, 423320, 453955, 726328, 846640, 907910, 1452656, 1725029, 1815820, 3450058, 3631640, 6900116, 7263280, 8625145, 13800232, 17250290, 27600464, 34500580, 69001160, 138002320]

約数ペア:

[(1, 138002320), (2, 69001160), (4, 34500580), (5, 27600464), (8, 17250290), (10, 13800232), (16, 8625145), (19, 7263280), (20, 6900116), (38, 3631640), (40, 3450058), (76, 1815820), (80, 1725029), (95, 1452656), (152, 907910), (163, 846640), (190, 726328), (304, 453955), (326, 423320), (380, 363164), (557, 247760), (652, 211660), (760, 181582), (815, 169328), (1114, 123880), (1304, 105830), (1520, 90791), (1630, 84664), (2228, 61940), (2608, 52915), (2785, 49552), (3097, 44560), (3260, 42332), (4456, 30970), (5570, 24776), (6194, 22280), (6520, 21166), (8912, 15485), (10583, 13040), (11140, 12388)]