1890720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 7017192

約数和(自身を除く): 5126472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 101, 104, 117, 120, 130, 144, 156, 160, 180, 195, 202, 208, 234, 240, 260, 288, 303, 312, 360, 390, 404, 416, 468, 480, 505, 520, 585, 606, 624, 720, 780, 808, 909, 936, 1010, 1040, 1170, 1212, 1248, 1313, 1440, 1515, 1560, 1616, 1818, 1872, 2020, 2080, 2340, 2424, 2626, 3030, 3120, 3232, 3636, 3744, 3939, 4040, 4545, 4680, 4848, 5252, 6060, 6240, 6565, 7272, 7878, 8080, 9090, 9360, 9696, 10504, 11817, 12120, 13130, 14544, 15756, 16160, 18180, 18720, 19695, 21008, 23634, 24240, 26260, 29088, 31512, 36360, 39390, 42016, 47268, 48480, 52520, 59085, 63024, 72720, 78780, 94536, 105040, 118170, 126048, 145440, 157560, 189072, 210080, 236340, 315120, 378144, 472680, 630240, 945360, 1890720]

約数ペア:

[(1, 1890720), (2, 945360), (3, 630240), (4, 472680), (5, 378144), (6, 315120), (8, 236340), (9, 210080), (10, 189072), (12, 157560), (13, 145440), (15, 126048), (16, 118170), (18, 105040), (20, 94536), (24, 78780), (26, 72720), (30, 63024), (32, 59085), (36, 52520), (39, 48480), (40, 47268), (45, 42016), (48, 39390), (52, 36360), (60, 31512), (65, 29088), (72, 26260), (78, 24240), (80, 23634), (90, 21008), (96, 19695), (101, 18720), (104, 18180), (117, 16160), (120, 15756), (130, 14544), (144, 13130), (156, 12120), (160, 11817), (180, 10504), (195, 9696), (202, 9360), (208, 9090), (234, 8080), (240, 7878), (260, 7272), (288, 6565), (303, 6240), (312, 6060), (360, 5252), (390, 4848), (404, 4680), (416, 4545), (468, 4040), (480, 3939), (505, 3744), (520, 3636), (585, 3232), (606, 3120), (624, 3030), (720, 2626), (780, 2424), (808, 2340), (909, 2080), (936, 2020), (1010, 1872), (1040, 1818), (1170, 1616), (1212, 1560), (1248, 1515), (1313, 1440)]