215525664

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 664403040

約数和(自身を除く): 448877376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 361, 432, 456, 513, 608, 684, 691, 722, 864, 912, 1026, 1083, 1368, 1382, 1444, 1824, 2052, 2073, 2166, 2736, 2764, 2888, 3249, 4104, 4146, 4332, 5472, 5528, 5776, 6219, 6498, 8208, 8292, 8664, 9747, 11056, 11552, 12438, 12996, 13129, 16416, 16584, 17328, 18657, 19494, 22112, 24876, 25992, 26258, 33168, 34656, 37314, 38988, 39387, 49752, 51984, 52516, 66336, 74628, 77976, 78774, 99504, 103968, 105032, 118161, 149256, 155952, 157548, 199008, 210064, 236322, 249451, 298512, 311904, 315096, 354483, 420128, 472644, 498902, 597024, 630192, 708966, 748353, 945288, 997804, 1260384, 1417932, 1496706, 1890576, 1995608, 2245059, 2835864, 2993412, 3781152, 3991216, 4490118, 5671728, 5986824, 6735177, 7982432, 8980236, 11343456, 11973648, 13470354, 17960472, 23947296, 26940708, 35920944, 53881416, 71841888, 107762832, 215525664]

約数ペア:

[(1, 215525664), (2, 107762832), (3, 71841888), (4, 53881416), (6, 35920944), (8, 26940708), (9, 23947296), (12, 17960472), (16, 13470354), (18, 11973648), (19, 11343456), (24, 8980236), (27, 7982432), (32, 6735177), (36, 5986824), (38, 5671728), (48, 4490118), (54, 3991216), (57, 3781152), (72, 2993412), (76, 2835864), (96, 2245059), (108, 1995608), (114, 1890576), (144, 1496706), (152, 1417932), (171, 1260384), (216, 997804), (228, 945288), (288, 748353), (304, 708966), (342, 630192), (361, 597024), (432, 498902), (456, 472644), (513, 420128), (608, 354483), (684, 315096), (691, 311904), (722, 298512), (864, 249451), (912, 236322), (1026, 210064), (1083, 199008), (1368, 157548), (1382, 155952), (1444, 149256), (1824, 118161), (2052, 105032), (2073, 103968), (2166, 99504), (2736, 78774), (2764, 77976), (2888, 74628), (3249, 66336), (4104, 52516), (4146, 51984), (4332, 49752), (5472, 39387), (5528, 38988), (5776, 37314), (6219, 34656), (6498, 33168), (8208, 26258), (8292, 25992), (8664, 24876), (9747, 22112), (11056, 19494), (11552, 18657), (12438, 17328), (12996, 16584), (13129, 16416)]