18956160

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1097}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 67197600

約数和(自身を除く): 48241440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1097, 1152, 1440, 1728, 1920, 2160, 2194, 2880, 3291, 3456, 4320, 4388, 5485, 5760, 6582, 8640, 8776, 9873, 10970, 13164, 16455, 17280, 17552, 19746, 21940, 26328, 29619, 32910, 35104, 39492, 43880, 49365, 52656, 59238, 65820, 70208, 78984, 87760, 98730, 105312, 118476, 131640, 140416, 148095, 157968, 175520, 197460, 210624, 236952, 263280, 296190, 315936, 351040, 394920, 421248, 473904, 526560, 592380, 631872, 702080, 789840, 947808, 1053120, 1184760, 1263744, 1579680, 1895616, 2106240, 2369520, 3159360, 3791232, 4739040, 6318720, 9478080, 18956160]

約数ペア:

[(1, 18956160), (2, 9478080), (3, 6318720), (4, 4739040), (5, 3791232), (6, 3159360), (8, 2369520), (9, 2106240), (10, 1895616), (12, 1579680), (15, 1263744), (16, 1184760), (18, 1053120), (20, 947808), (24, 789840), (27, 702080), (30, 631872), (32, 592380), (36, 526560), (40, 473904), (45, 421248), (48, 394920), (54, 351040), (60, 315936), (64, 296190), (72, 263280), (80, 236952), (90, 210624), (96, 197460), (108, 175520), (120, 157968), (128, 148095), (135, 140416), (144, 131640), (160, 118476), (180, 105312), (192, 98730), (216, 87760), (240, 78984), (270, 70208), (288, 65820), (320, 59238), (360, 52656), (384, 49365), (432, 43880), (480, 39492), (540, 35104), (576, 32910), (640, 29619), (720, 26328), (864, 21940), (960, 19746), (1080, 17552), (1097, 17280), (1152, 16455), (1440, 13164), (1728, 10970), (1920, 9873), (2160, 8776), (2194, 8640), (2880, 6582), (3291, 5760), (3456, 5485), (4320, 4388)]