55408440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 178148160

約数和(自身を除く): 122739720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 157, 170, 173, 204, 255, 314, 340, 346, 408, 471, 510, 519, 628, 680, 692, 785, 865, 942, 1020, 1038, 1256, 1384, 1570, 1730, 1884, 2040, 2076, 2355, 2595, 2669, 2941, 3140, 3460, 3768, 4152, 4710, 5190, 5338, 5882, 6280, 6920, 8007, 8823, 9420, 10380, 10676, 11764, 13345, 14705, 16014, 17646, 18840, 20760, 21352, 23528, 26690, 27161, 29410, 32028, 35292, 40035, 44115, 53380, 54322, 58820, 64056, 70584, 80070, 81483, 88230, 106760, 108644, 117640, 135805, 160140, 162966, 176460, 217288, 271610, 320280, 325932, 352920, 407415, 461737, 543220, 651864, 814830, 923474, 1086440, 1385211, 1629660, 1846948, 2308685, 2770422, 3259320, 3693896, 4617370, 5540844, 6926055, 9234740, 11081688, 13852110, 18469480, 27704220, 55408440]

約数ペア:

[(1, 55408440), (2, 27704220), (3, 18469480), (4, 13852110), (5, 11081688), (6, 9234740), (8, 6926055), (10, 5540844), (12, 4617370), (15, 3693896), (17, 3259320), (20, 2770422), (24, 2308685), (30, 1846948), (34, 1629660), (40, 1385211), (51, 1086440), (60, 923474), (68, 814830), (85, 651864), (102, 543220), (120, 461737), (136, 407415), (157, 352920), (170, 325932), (173, 320280), (204, 271610), (255, 217288), (314, 176460), (340, 162966), (346, 160140), (408, 135805), (471, 117640), (510, 108644), (519, 106760), (628, 88230), (680, 81483), (692, 80070), (785, 70584), (865, 64056), (942, 58820), (1020, 54322), (1038, 53380), (1256, 44115), (1384, 40035), (1570, 35292), (1730, 32028), (1884, 29410), (2040, 27161), (2076, 26690), (2355, 23528), (2595, 21352), (2669, 20760), (2941, 18840), (3140, 17646), (3460, 16014), (3768, 14705), (4152, 13345), (4710, 11764), (5190, 10676), (5338, 10380), (5882, 9420), (6280, 8823), (6920, 8007)]