90268380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{997}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 274633632

約数和(自身を除く): 184365252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 997, 1006, 1509, 1994, 2012, 2515, 2991, 3018, 3988, 4527, 4985, 5030, 5982, 6036, 7545, 8973, 9054, 9970, 10060, 11964, 14955, 15090, 17946, 18108, 19940, 22635, 29910, 30180, 35892, 44865, 45270, 59820, 89730, 90540, 179460, 501491, 1002982, 1504473, 2005964, 2507455, 3008946, 4513419, 5014910, 6017892, 7522365, 9026838, 10029820, 15044730, 18053676, 22567095, 30089460, 45134190, 90268380]

約数ペア:

[(1, 90268380), (2, 45134190), (3, 30089460), (4, 22567095), (5, 18053676), (6, 15044730), (9, 10029820), (10, 9026838), (12, 7522365), (15, 6017892), (18, 5014910), (20, 4513419), (30, 3008946), (36, 2507455), (45, 2005964), (60, 1504473), (90, 1002982), (180, 501491), (503, 179460), (997, 90540), (1006, 89730), (1509, 59820), (1994, 45270), (2012, 44865), (2515, 35892), (2991, 30180), (3018, 29910), (3988, 22635), (4527, 19940), (4985, 18108), (5030, 17946), (5982, 15090), (6036, 14955), (7545, 11964), (8973, 10060), (9054, 9970)]