28377360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3583}}^1$

素因数の和:3613

約数の個数: 120

約数和(自身を含む): 103993344

約数和(自身を除く): 75615984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3583, 3960, 7166, 7920, 10749, 14332, 17915, 21498, 28664, 32247, 35830, 39413, 42996, 53745, 57328, 64494, 71660, 78826, 85992, 107490, 118239, 128988, 143320, 157652, 161235, 171984, 197065, 214980, 236478, 257976, 286640, 315304, 322470, 354717, 394130, 429960, 472956, 515952, 591195, 630608, 644940, 709434, 788260, 859920, 945912, 1182390, 1289880, 1418868, 1576520, 1773585, 1891824, 2364780, 2579760, 2837736, 3153040, 3547170, 4729560, 5675472, 7094340, 9459120, 14188680, 28377360]

約数ペア:

[(1, 28377360), (2, 14188680), (3, 9459120), (4, 7094340), (5, 5675472), (6, 4729560), (8, 3547170), (9, 3153040), (10, 2837736), (11, 2579760), (12, 2364780), (15, 1891824), (16, 1773585), (18, 1576520), (20, 1418868), (22, 1289880), (24, 1182390), (30, 945912), (33, 859920), (36, 788260), (40, 709434), (44, 644940), (45, 630608), (48, 591195), (55, 515952), (60, 472956), (66, 429960), (72, 394130), (80, 354717), (88, 322470), (90, 315304), (99, 286640), (110, 257976), (120, 236478), (132, 214980), (144, 197065), (165, 171984), (176, 161235), (180, 157652), (198, 143320), (220, 128988), (240, 118239), (264, 107490), (330, 85992), (360, 78826), (396, 71660), (440, 64494), (495, 57328), (528, 53745), (660, 42996), (720, 39413), (792, 35830), (880, 32247), (990, 28664), (1320, 21498), (1584, 17915), (1980, 14332), (2640, 10749), (3583, 7920), (3960, 7166)]