15123360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{643}}^1$

素因数の和:675

約数の個数: 144

約数和(自身を含む): 55502496

約数和(自身を除く): 40379136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 643, 672, 735, 784, 840, 980, 1120, 1176, 1286, 1470, 1568, 1680, 1929, 1960, 2352, 2572, 2940, 3215, 3360, 3858, 3920, 4501, 4704, 5144, 5880, 6430, 7716, 7840, 9002, 9645, 10288, 11760, 12860, 13503, 15432, 18004, 19290, 20576, 22505, 23520, 25720, 27006, 30864, 31507, 36008, 38580, 45010, 51440, 54012, 61728, 63014, 67515, 72016, 77160, 90020, 94521, 102880, 108024, 126028, 135030, 144032, 154320, 157535, 180040, 189042, 216048, 252056, 270060, 308640, 315070, 360080, 378084, 432096, 472605, 504112, 540120, 630140, 720160, 756168, 945210, 1008224, 1080240, 1260280, 1512336, 1890420, 2160480, 2520560, 3024672, 3780840, 5041120, 7561680, 15123360]

約数ペア:

[(1, 15123360), (2, 7561680), (3, 5041120), (4, 3780840), (5, 3024672), (6, 2520560), (7, 2160480), (8, 1890420), (10, 1512336), (12, 1260280), (14, 1080240), (15, 1008224), (16, 945210), (20, 756168), (21, 720160), (24, 630140), (28, 540120), (30, 504112), (32, 472605), (35, 432096), (40, 378084), (42, 360080), (48, 315070), (49, 308640), (56, 270060), (60, 252056), (70, 216048), (80, 189042), (84, 180040), (96, 157535), (98, 154320), (105, 144032), (112, 135030), (120, 126028), (140, 108024), (147, 102880), (160, 94521), (168, 90020), (196, 77160), (210, 72016), (224, 67515), (240, 63014), (245, 61728), (280, 54012), (294, 51440), (336, 45010), (392, 38580), (420, 36008), (480, 31507), (490, 30864), (560, 27006), (588, 25720), (643, 23520), (672, 22505), (735, 20576), (784, 19290), (840, 18004), (980, 15432), (1120, 13503), (1176, 12860), (1286, 11760), (1470, 10288), (1568, 9645), (1680, 9002), (1929, 7840), (1960, 7716), (2352, 6430), (2572, 5880), (2940, 5144), (3215, 4704), (3360, 4501), (3858, 3920)]