15663420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 47882016

約数和(自身を除く): 32218596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 503, 519, 692, 865, 1006, 1038, 1509, 1557, 1730, 2012, 2076, 2515, 2595, 3018, 3114, 3460, 4527, 5030, 5190, 6036, 6228, 7545, 7785, 9054, 10060, 10380, 15090, 15570, 18108, 22635, 30180, 31140, 45270, 87019, 90540, 174038, 261057, 348076, 435095, 522114, 783171, 870190, 1044228, 1305285, 1566342, 1740380, 2610570, 3132684, 3915855, 5221140, 7831710, 15663420]

約数ペア:

[(1, 15663420), (2, 7831710), (3, 5221140), (4, 3915855), (5, 3132684), (6, 2610570), (9, 1740380), (10, 1566342), (12, 1305285), (15, 1044228), (18, 870190), (20, 783171), (30, 522114), (36, 435095), (45, 348076), (60, 261057), (90, 174038), (173, 90540), (180, 87019), (346, 45270), (503, 31140), (519, 30180), (692, 22635), (865, 18108), (1006, 15570), (1038, 15090), (1509, 10380), (1557, 10060), (1730, 9054), (2012, 7785), (2076, 7545), (2515, 6228), (2595, 6036), (3018, 5190), (3114, 5030), (3460, 4527)]