15390090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 40225536

約数和(自身を除く): 24835446

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 271, 542, 631, 813, 1262, 1355, 1626, 1893, 2439, 2710, 3155, 3786, 4065, 4878, 5679, 6310, 8130, 9465, 11358, 12195, 18930, 24390, 28395, 56790, 171001, 342002, 513003, 855005, 1026006, 1539009, 1710010, 2565015, 3078018, 5130030, 7695045, 15390090]

約数ペア:

[(1, 15390090), (2, 7695045), (3, 5130030), (5, 3078018), (6, 2565015), (9, 1710010), (10, 1539009), (15, 1026006), (18, 855005), (30, 513003), (45, 342002), (90, 171001), (271, 56790), (542, 28395), (631, 24390), (813, 18930), (1262, 12195), (1355, 11358), (1626, 9465), (1893, 8130), (2439, 6310), (2710, 5679), (3155, 4878), (3786, 4065)]