1815390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 4930848

約数和(自身を除く): 3115458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 877, 1035, 1754, 2070, 2631, 4385, 5262, 7893, 8770, 13155, 15786, 20171, 26310, 39465, 40342, 60513, 78930, 100855, 121026, 181539, 201710, 302565, 363078, 605130, 907695, 1815390]

約数ペア:

[(1, 1815390), (2, 907695), (3, 605130), (5, 363078), (6, 302565), (9, 201710), (10, 181539), (15, 121026), (18, 100855), (23, 78930), (30, 60513), (45, 40342), (46, 39465), (69, 26310), (90, 20171), (115, 15786), (138, 13155), (207, 8770), (230, 7893), (345, 5262), (414, 4385), (690, 2631), (877, 2070), (1035, 1754)]