40320384

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 118752480

約数和(自身を除く): 78432096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 64, 78, 82, 96, 104, 123, 128, 156, 164, 192, 197, 208, 246, 312, 328, 384, 394, 416, 492, 533, 591, 624, 656, 788, 832, 984, 1066, 1182, 1248, 1312, 1576, 1599, 1664, 1968, 2132, 2364, 2496, 2561, 2624, 3152, 3198, 3936, 4264, 4728, 4992, 5122, 5248, 6304, 6396, 7683, 7872, 8077, 8528, 9456, 10244, 12608, 12792, 15366, 15744, 16154, 17056, 18912, 20488, 24231, 25216, 25584, 30732, 32308, 34112, 37824, 40976, 48462, 51168, 61464, 64616, 68224, 75648, 81952, 96924, 102336, 105001, 122928, 129232, 163904, 193848, 204672, 210002, 245856, 258464, 315003, 327808, 387696, 420004, 491712, 516928, 630006, 775392, 840008, 983424, 1033856, 1260012, 1550784, 1680016, 2520024, 3101568, 3360032, 5040048, 6720064, 10080096, 13440128, 20160192, 40320384]

約数ペア:

[(1, 40320384), (2, 20160192), (3, 13440128), (4, 10080096), (6, 6720064), (8, 5040048), (12, 3360032), (13, 3101568), (16, 2520024), (24, 1680016), (26, 1550784), (32, 1260012), (39, 1033856), (41, 983424), (48, 840008), (52, 775392), (64, 630006), (78, 516928), (82, 491712), (96, 420004), (104, 387696), (123, 327808), (128, 315003), (156, 258464), (164, 245856), (192, 210002), (197, 204672), (208, 193848), (246, 163904), (312, 129232), (328, 122928), (384, 105001), (394, 102336), (416, 96924), (492, 81952), (533, 75648), (591, 68224), (624, 64616), (656, 61464), (788, 51168), (832, 48462), (984, 40976), (1066, 37824), (1182, 34112), (1248, 32308), (1312, 30732), (1576, 25584), (1599, 25216), (1664, 24231), (1968, 20488), (2132, 18912), (2364, 17056), (2496, 16154), (2561, 15744), (2624, 15366), (3152, 12792), (3198, 12608), (3936, 10244), (4264, 9456), (4728, 8528), (4992, 8077), (5122, 7872), (5248, 7683), (6304, 6396)]