401987520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12689}}^1$

素因数の和:12723

約数の個数: 168

約数和(自身を含む): 1508485680

約数和(自身を除く): 1106498160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 10560, 12689, 15840, 25378, 31680, 38067, 50756, 63445, 76134, 101512, 114201, 126890, 139579, 152268, 190335, 203024, 228402, 253780, 279158, 304536, 380670, 406048, 418737, 456804, 507560, 558316, 571005, 609072, 697895, 761340, 812096, 837474, 913608, 1015120, 1116632, 1142010, 1218144, 1256211, 1395790, 1522680, 1674948, 1827216, 2030240, 2093685, 2233264, 2284020, 2436288, 2512422, 2791580, 3045360, 3349896, 3654432, 4060480, 4187370, 4466528, 4568040, 5024844, 5583160, 6090720, 6281055, 6699792, 7308864, 8374740, 8933056, 9136080, 10049688, 11166320, 12181440, 12562110, 13399584, 16749480, 18272160, 20099376, 22332640, 25124220, 26799168, 33498960, 36544320, 40198752, 44665280, 50248440, 66997920, 80397504, 100496880, 133995840, 200993760, 401987520]

約数ペア:

[(1, 401987520), (2, 200993760), (3, 133995840), (4, 100496880), (5, 80397504), (6, 66997920), (8, 50248440), (9, 44665280), (10, 40198752), (11, 36544320), (12, 33498960), (15, 26799168), (16, 25124220), (18, 22332640), (20, 20099376), (22, 18272160), (24, 16749480), (30, 13399584), (32, 12562110), (33, 12181440), (36, 11166320), (40, 10049688), (44, 9136080), (45, 8933056), (48, 8374740), (55, 7308864), (60, 6699792), (64, 6281055), (66, 6090720), (72, 5583160), (80, 5024844), (88, 4568040), (90, 4466528), (96, 4187370), (99, 4060480), (110, 3654432), (120, 3349896), (132, 3045360), (144, 2791580), (160, 2512422), (165, 2436288), (176, 2284020), (180, 2233264), (192, 2093685), (198, 2030240), (220, 1827216), (240, 1674948), (264, 1522680), (288, 1395790), (320, 1256211), (330, 1218144), (352, 1142010), (360, 1116632), (396, 1015120), (440, 913608), (480, 837474), (495, 812096), (528, 761340), (576, 697895), (660, 609072), (704, 571005), (720, 558316), (792, 507560), (880, 456804), (960, 418737), (990, 406048), (1056, 380670), (1320, 304536), (1440, 279158), (1584, 253780), (1760, 228402), (1980, 203024), (2112, 190335), (2640, 152268), (2880, 139579), (3168, 126890), (3520, 114201), (3960, 101512), (5280, 76134), (6336, 63445), (7920, 50756), (10560, 38067), (12689, 31680), (15840, 25378)]