201805020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2961

約数の個数: 120

約数和(自身を含む): 648015984

約数和(自身を除く): 446210964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1161, 1290, 1548, 1620, 1935, 2322, 2580, 2897, 3483, 3870, 4644, 5794, 5805, 6966, 7740, 8691, 11588, 11610, 13932, 14485, 17382, 17415, 23220, 26073, 28970, 34764, 34830, 43455, 52146, 57940, 69660, 78219, 86910, 104292, 124571, 130365, 156438, 173820, 234657, 249142, 260730, 312876, 373713, 391095, 469314, 498284, 521460, 622855, 747426, 782190, 938628, 1121139, 1173285, 1245710, 1494852, 1564380, 1868565, 2242278, 2346570, 2491420, 3363417, 3737130, 4484556, 4693140, 5605695, 6726834, 7474260, 10090251, 11211390, 13453668, 16817085, 20180502, 22422780, 33634170, 40361004, 50451255, 67268340, 100902510, 201805020]

約数ペア:

[(1, 201805020), (2, 100902510), (3, 67268340), (4, 50451255), (5, 40361004), (6, 33634170), (9, 22422780), (10, 20180502), (12, 16817085), (15, 13453668), (18, 11211390), (20, 10090251), (27, 7474260), (30, 6726834), (36, 5605695), (43, 4693140), (45, 4484556), (54, 3737130), (60, 3363417), (81, 2491420), (86, 2346570), (90, 2242278), (108, 1868565), (129, 1564380), (135, 1494852), (162, 1245710), (172, 1173285), (180, 1121139), (215, 938628), (258, 782190), (270, 747426), (324, 622855), (387, 521460), (405, 498284), (430, 469314), (516, 391095), (540, 373713), (645, 312876), (774, 260730), (810, 249142), (860, 234657), (1161, 173820), (1290, 156438), (1548, 130365), (1620, 124571), (1935, 104292), (2322, 86910), (2580, 78219), (2897, 69660), (3483, 57940), (3870, 52146), (4644, 43455), (5794, 34830), (5805, 34764), (6966, 28970), (7740, 26073), (8691, 23220), (11588, 17415), (11610, 17382), (13932, 14485)]