251726640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1107

約数の個数: 160

約数和(自身を含む): 860944896

約数和(自身を除く): 609218256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 97, 110, 120, 132, 165, 176, 194, 220, 240, 264, 291, 330, 388, 440, 485, 528, 582, 660, 776, 880, 970, 983, 1067, 1164, 1320, 1455, 1552, 1940, 1966, 2134, 2328, 2640, 2910, 2949, 3201, 3880, 3932, 4268, 4656, 4915, 5335, 5820, 5898, 6402, 7760, 7864, 8536, 9830, 10670, 10813, 11640, 11796, 12804, 14745, 15728, 16005, 17072, 19660, 21340, 21626, 23280, 23592, 25608, 29490, 32010, 32439, 39320, 42680, 43252, 47184, 51216, 54065, 58980, 64020, 64878, 78640, 85360, 86504, 95351, 108130, 117960, 128040, 129756, 162195, 173008, 190702, 216260, 235920, 256080, 259512, 286053, 324390, 381404, 432520, 476755, 519024, 572106, 648780, 762808, 865040, 953510, 1048861, 1144212, 1297560, 1430265, 1525616, 1907020, 2097722, 2288424, 2595120, 2860530, 3146583, 3814040, 4195444, 4576848, 5244305, 5721060, 6293166, 7628080, 8390888, 10488610, 11442120, 12586332, 15732915, 16781776, 20977220, 22884240, 25172664, 31465830, 41954440, 50345328, 62931660, 83908880, 125863320, 251726640]

約数ペア:

[(1, 251726640), (2, 125863320), (3, 83908880), (4, 62931660), (5, 50345328), (6, 41954440), (8, 31465830), (10, 25172664), (11, 22884240), (12, 20977220), (15, 16781776), (16, 15732915), (20, 12586332), (22, 11442120), (24, 10488610), (30, 8390888), (33, 7628080), (40, 6293166), (44, 5721060), (48, 5244305), (55, 4576848), (60, 4195444), (66, 3814040), (80, 3146583), (88, 2860530), (97, 2595120), (110, 2288424), (120, 2097722), (132, 1907020), (165, 1525616), (176, 1430265), (194, 1297560), (220, 1144212), (240, 1048861), (264, 953510), (291, 865040), (330, 762808), (388, 648780), (440, 572106), (485, 519024), (528, 476755), (582, 432520), (660, 381404), (776, 324390), (880, 286053), (970, 259512), (983, 256080), (1067, 235920), (1164, 216260), (1320, 190702), (1455, 173008), (1552, 162195), (1940, 129756), (1966, 128040), (2134, 117960), (2328, 108130), (2640, 95351), (2910, 86504), (2949, 85360), (3201, 78640), (3880, 64878), (3932, 64020), (4268, 58980), (4656, 54065), (4915, 51216), (5335, 47184), (5820, 43252), (5898, 42680), (6402, 39320), (7760, 32439), (7864, 32010), (8536, 29490), (9830, 25608), (10670, 23592), (10813, 23280), (11640, 21626), (11796, 21340), (12804, 19660), (14745, 17072), (15728, 16005)]