30144280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 70567200

約数和(自身を除く): 40422920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 59, 106, 118, 212, 236, 241, 265, 295, 424, 472, 482, 530, 590, 964, 1060, 1180, 1205, 1928, 2120, 2360, 2410, 3127, 4820, 6254, 9640, 12508, 12773, 14219, 15635, 25016, 25546, 28438, 31270, 51092, 56876, 62540, 63865, 71095, 102184, 113752, 125080, 127730, 142190, 255460, 284380, 510920, 568760, 753607, 1507214, 3014428, 3768035, 6028856, 7536070, 15072140, 30144280]

約数ペア:

[(1, 30144280), (2, 15072140), (4, 7536070), (5, 6028856), (8, 3768035), (10, 3014428), (20, 1507214), (40, 753607), (53, 568760), (59, 510920), (106, 284380), (118, 255460), (212, 142190), (236, 127730), (241, 125080), (265, 113752), (295, 102184), (424, 71095), (472, 63865), (482, 62540), (530, 56876), (590, 51092), (964, 31270), (1060, 28438), (1180, 25546), (1205, 25016), (1928, 15635), (2120, 14219), (2360, 12773), (2410, 12508), (3127, 9640), (4820, 6254)]