779284640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 96

約数和(自身を含む): 1882258560

約数和(自身を除く): 1102973920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 181, 284, 355, 362, 379, 568, 710, 724, 758, 905, 1136, 1420, 1448, 1516, 1810, 1895, 2272, 2840, 2896, 3032, 3620, 3790, 5680, 5792, 6064, 7240, 7580, 11360, 12128, 12851, 14480, 15160, 25702, 26909, 28960, 30320, 51404, 53818, 60640, 64255, 68599, 102808, 107636, 128510, 134545, 137198, 205616, 215272, 257020, 269090, 274396, 342995, 411232, 430544, 514040, 538180, 548792, 685990, 861088, 1028080, 1076360, 1097584, 1371980, 2056160, 2152720, 2195168, 2743960, 4305440, 4870529, 5487920, 9741058, 10975840, 19482116, 24352645, 38964232, 48705290, 77928464, 97410580, 155856928, 194821160, 389642320, 779284640]

約数ペア:

[(1, 779284640), (2, 389642320), (4, 194821160), (5, 155856928), (8, 97410580), (10, 77928464), (16, 48705290), (20, 38964232), (32, 24352645), (40, 19482116), (71, 10975840), (80, 9741058), (142, 5487920), (160, 4870529), (181, 4305440), (284, 2743960), (355, 2195168), (362, 2152720), (379, 2056160), (568, 1371980), (710, 1097584), (724, 1076360), (758, 1028080), (905, 861088), (1136, 685990), (1420, 548792), (1448, 538180), (1516, 514040), (1810, 430544), (1895, 411232), (2272, 342995), (2840, 274396), (2896, 269090), (3032, 257020), (3620, 215272), (3790, 205616), (5680, 137198), (5792, 134545), (6064, 128510), (7240, 107636), (7580, 102808), (11360, 68599), (12128, 64255), (12851, 60640), (14480, 53818), (15160, 51404), (25702, 30320), (26909, 28960)]