19450080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1073

約数の個数: 144

約数和(自身を含む): 71547840

約数和(自身を除く): 52097760

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, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1039, 1040, 1170, 1248, 1440, 1560, 1872, 2078, 2080, 2340, 3117, 3120, 3744, 4156, 4680, 5195, 6234, 6240, 8312, 9351, 9360, 10390, 12468, 13507, 15585, 16624, 18702, 18720, 20780, 24936, 27014, 31170, 33248, 37404, 40521, 41560, 46755, 49872, 54028, 62340, 67535, 74808, 81042, 83120, 93510, 99744, 108056, 121563, 124680, 135070, 149616, 162084, 166240, 187020, 202605, 216112, 243126, 249360, 270140, 299232, 324168, 374040, 405210, 432224, 486252, 498720, 540280, 607815, 648336, 748080, 810420, 972504, 1080560, 1215630, 1296672, 1496160, 1620840, 1945008, 2161120, 2431260, 3241680, 3890016, 4862520, 6483360, 9725040, 19450080]

約数ペア:

[(1, 19450080), (2, 9725040), (3, 6483360), (4, 4862520), (5, 3890016), (6, 3241680), (8, 2431260), (9, 2161120), (10, 1945008), (12, 1620840), (13, 1496160), (15, 1296672), (16, 1215630), (18, 1080560), (20, 972504), (24, 810420), (26, 748080), (30, 648336), (32, 607815), (36, 540280), (39, 498720), (40, 486252), (45, 432224), (48, 405210), (52, 374040), (60, 324168), (65, 299232), (72, 270140), (78, 249360), (80, 243126), (90, 216112), (96, 202605), (104, 187020), (117, 166240), (120, 162084), (130, 149616), (144, 135070), (156, 124680), (160, 121563), (180, 108056), (195, 99744), (208, 93510), (234, 83120), (240, 81042), (260, 74808), (288, 67535), (312, 62340), (360, 54028), (390, 49872), (416, 46755), (468, 41560), (480, 40521), (520, 37404), (585, 33248), (624, 31170), (720, 27014), (780, 24936), (936, 20780), (1039, 18720), (1040, 18702), (1170, 16624), (1248, 15585), (1440, 13507), (1560, 12468), (1872, 10390), (2078, 9360), (2080, 9351), (2340, 8312), (3117, 6240), (3120, 6234), (3744, 5195), (4156, 4680)]