72636880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 104137520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 131, 145, 232, 239, 262, 290, 464, 478, 524, 580, 655, 956, 1048, 1160, 1195, 1310, 1912, 2096, 2320, 2390, 2620, 3799, 3824, 4780, 5240, 6931, 7598, 9560, 10480, 13862, 15196, 18995, 19120, 27724, 30392, 31309, 34655, 37990, 55448, 60784, 62618, 69310, 75980, 110896, 125236, 138620, 151960, 156545, 250472, 277240, 303920, 313090, 500944, 554480, 626180, 907961, 1252360, 1815922, 2504720, 3631844, 4539805, 7263688, 9079610, 14527376, 18159220, 36318440, 72636880]

約数ペア:

[(1, 72636880), (2, 36318440), (4, 18159220), (5, 14527376), (8, 9079610), (10, 7263688), (16, 4539805), (20, 3631844), (29, 2504720), (40, 1815922), (58, 1252360), (80, 907961), (116, 626180), (131, 554480), (145, 500944), (232, 313090), (239, 303920), (262, 277240), (290, 250472), (464, 156545), (478, 151960), (524, 138620), (580, 125236), (655, 110896), (956, 75980), (1048, 69310), (1160, 62618), (1195, 60784), (1310, 55448), (1912, 37990), (2096, 34655), (2320, 31309), (2390, 30392), (2620, 27724), (3799, 19120), (3824, 18995), (4780, 15196), (5240, 13862), (6931, 10480), (7598, 9560)]