28552920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 94832640

約数和(自身を除く): 66279720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 220, 223, 264, 291, 330, 388, 440, 446, 485, 582, 660, 669, 776, 892, 970, 1067, 1115, 1164, 1320, 1338, 1455, 1784, 1940, 2134, 2230, 2328, 2453, 2676, 2910, 3201, 3345, 3880, 4268, 4460, 4906, 5335, 5352, 5820, 6402, 6690, 7359, 8536, 8920, 9812, 10670, 11640, 12265, 12804, 13380, 14718, 16005, 19624, 21340, 21631, 24530, 25608, 26760, 29436, 32010, 36795, 42680, 43262, 49060, 58872, 64020, 64893, 73590, 86524, 98120, 108155, 128040, 129786, 147180, 173048, 216310, 237941, 259572, 294360, 324465, 432620, 475882, 519144, 648930, 713823, 865240, 951764, 1189705, 1297860, 1427646, 1903528, 2379410, 2595720, 2855292, 3569115, 4758820, 5710584, 7138230, 9517640, 14276460, 28552920]

約数ペア:

[(1, 28552920), (2, 14276460), (3, 9517640), (4, 7138230), (5, 5710584), (6, 4758820), (8, 3569115), (10, 2855292), (11, 2595720), (12, 2379410), (15, 1903528), (20, 1427646), (22, 1297860), (24, 1189705), (30, 951764), (33, 865240), (40, 713823), (44, 648930), (55, 519144), (60, 475882), (66, 432620), (88, 324465), (97, 294360), (110, 259572), (120, 237941), (132, 216310), (165, 173048), (194, 147180), (220, 129786), (223, 128040), (264, 108155), (291, 98120), (330, 86524), (388, 73590), (440, 64893), (446, 64020), (485, 58872), (582, 49060), (660, 43262), (669, 42680), (776, 36795), (892, 32010), (970, 29436), (1067, 26760), (1115, 25608), (1164, 24530), (1320, 21631), (1338, 21340), (1455, 19624), (1784, 16005), (1940, 14718), (2134, 13380), (2230, 12804), (2328, 12265), (2453, 11640), (2676, 10670), (2910, 9812), (3201, 8920), (3345, 8536), (3880, 7359), (4268, 6690), (4460, 6402), (4906, 5820), (5335, 5352)]