815868540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{146213}}^1$

素因数の和:146259

約数の個数: 72

約数和(自身を含む): 2554651008

約数和(自身を除く): 1738782468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 146213, 292426, 438639, 584852, 731065, 877278, 1315917, 1462130, 1754556, 2193195, 2631834, 2924260, 4386390, 4532603, 5263668, 6579585, 8772780, 9065206, 13159170, 13597809, 18130412, 22663015, 26318340, 27195618, 40793427, 45326030, 54391236, 67989045, 81586854, 90652060, 135978090, 163173708, 203967135, 271956180, 407934270, 815868540]

約数ペア:

[(1, 815868540), (2, 407934270), (3, 271956180), (4, 203967135), (5, 163173708), (6, 135978090), (9, 90652060), (10, 81586854), (12, 67989045), (15, 54391236), (18, 45326030), (20, 40793427), (30, 27195618), (31, 26318340), (36, 22663015), (45, 18130412), (60, 13597809), (62, 13159170), (90, 9065206), (93, 8772780), (124, 6579585), (155, 5263668), (180, 4532603), (186, 4386390), (279, 2924260), (310, 2631834), (372, 2193195), (465, 1754556), (558, 1462130), (620, 1315917), (930, 877278), (1116, 731065), (1395, 584852), (1860, 438639), (2790, 292426), (5580, 146213)]