40320072

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 122774400

約数和(自身を除く): 82454328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 83, 104, 108, 117, 156, 166, 173, 216, 234, 249, 312, 332, 346, 351, 468, 498, 519, 664, 692, 702, 747, 936, 996, 1038, 1079, 1384, 1404, 1494, 1557, 1992, 2076, 2158, 2241, 2249, 2808, 2988, 3114, 3237, 4152, 4316, 4482, 4498, 4671, 5976, 6228, 6474, 6747, 8632, 8964, 8996, 9342, 9711, 12456, 12948, 13494, 14359, 17928, 17992, 18684, 19422, 20241, 25896, 26988, 28718, 29133, 37368, 38844, 40482, 43077, 53976, 57436, 58266, 60723, 77688, 80964, 86154, 114872, 116532, 121446, 129231, 161928, 172308, 186667, 233064, 242892, 258462, 344616, 373334, 387693, 485784, 516924, 560001, 746668, 775386, 1033848, 1120002, 1493336, 1550772, 1680003, 2240004, 3101544, 3360006, 4480008, 5040009, 6720012, 10080018, 13440024, 20160036, 40320072]

約数ペア:

[(1, 40320072), (2, 20160036), (3, 13440024), (4, 10080018), (6, 6720012), (8, 5040009), (9, 4480008), (12, 3360006), (13, 3101544), (18, 2240004), (24, 1680003), (26, 1550772), (27, 1493336), (36, 1120002), (39, 1033848), (52, 775386), (54, 746668), (72, 560001), (78, 516924), (83, 485784), (104, 387693), (108, 373334), (117, 344616), (156, 258462), (166, 242892), (173, 233064), (216, 186667), (234, 172308), (249, 161928), (312, 129231), (332, 121446), (346, 116532), (351, 114872), (468, 86154), (498, 80964), (519, 77688), (664, 60723), (692, 58266), (702, 57436), (747, 53976), (936, 43077), (996, 40482), (1038, 38844), (1079, 37368), (1384, 29133), (1404, 28718), (1494, 26988), (1557, 25896), (1992, 20241), (2076, 19422), (2158, 18684), (2241, 17992), (2249, 17928), (2808, 14359), (2988, 13494), (3114, 12948), (3237, 12456), (4152, 9711), (4316, 9342), (4482, 8996), (4498, 8964), (4671, 8632), (5976, 6747), (6228, 6474)]