19307520

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{419}}^1$

素因数の和:450

約数の個数: 132

約数和(自身を含む): 67059720

約数和(自身を除く): 47752200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 419, 480, 512, 576, 640, 720, 768, 838, 960, 1024, 1152, 1257, 1280, 1440, 1536, 1676, 1920, 2095, 2304, 2514, 2560, 2880, 3072, 3352, 3771, 3840, 4190, 4608, 5028, 5120, 5760, 6285, 6704, 7542, 7680, 8380, 9216, 10056, 11520, 12570, 13408, 15084, 15360, 16760, 18855, 20112, 23040, 25140, 26816, 30168, 33520, 37710, 40224, 46080, 50280, 53632, 60336, 67040, 75420, 80448, 100560, 107264, 120672, 134080, 150840, 160896, 201120, 214528, 241344, 268160, 301680, 321792, 402240, 429056, 482688, 536320, 603360, 643584, 804480, 965376, 1072640, 1206720, 1287168, 1608960, 1930752, 2145280, 2413440, 3217920, 3861504, 4826880, 6435840, 9653760, 19307520]

約数ペア:

[(1, 19307520), (2, 9653760), (3, 6435840), (4, 4826880), (5, 3861504), (6, 3217920), (8, 2413440), (9, 2145280), (10, 1930752), (12, 1608960), (15, 1287168), (16, 1206720), (18, 1072640), (20, 965376), (24, 804480), (30, 643584), (32, 603360), (36, 536320), (40, 482688), (45, 429056), (48, 402240), (60, 321792), (64, 301680), (72, 268160), (80, 241344), (90, 214528), (96, 201120), (120, 160896), (128, 150840), (144, 134080), (160, 120672), (180, 107264), (192, 100560), (240, 80448), (256, 75420), (288, 67040), (320, 60336), (360, 53632), (384, 50280), (419, 46080), (480, 40224), (512, 37710), (576, 33520), (640, 30168), (720, 26816), (768, 25140), (838, 23040), (960, 20112), (1024, 18855), (1152, 16760), (1257, 15360), (1280, 15084), (1440, 13408), (1536, 12570), (1676, 11520), (1920, 10056), (2095, 9216), (2304, 8380), (2514, 7680), (2560, 7542), (2880, 6704), (3072, 6285), (3352, 5760), (3771, 5120), (3840, 5028), (4190, 4608)]