15740640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 144

約数和(自身を含む): 56963088

約数和(自身を除く): 41222448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 643, 680, 720, 765, 816, 1020, 1224, 1286, 1360, 1440, 1530, 1632, 1929, 2040, 2448, 2572, 2720, 3060, 3215, 3858, 4080, 4896, 5144, 5787, 6120, 6430, 7716, 8160, 9645, 10288, 10931, 11574, 12240, 12860, 15432, 19290, 20576, 21862, 23148, 24480, 25720, 28935, 30864, 32793, 38580, 43724, 46296, 51440, 54655, 57870, 61728, 65586, 77160, 87448, 92592, 98379, 102880, 109310, 115740, 131172, 154320, 163965, 174896, 185184, 196758, 218620, 231480, 262344, 308640, 327930, 349792, 393516, 437240, 462960, 491895, 524688, 655860, 787032, 874480, 925920, 983790, 1049376, 1311720, 1574064, 1748960, 1967580, 2623440, 3148128, 3935160, 5246880, 7870320, 15740640]

約数ペア:

[(1, 15740640), (2, 7870320), (3, 5246880), (4, 3935160), (5, 3148128), (6, 2623440), (8, 1967580), (9, 1748960), (10, 1574064), (12, 1311720), (15, 1049376), (16, 983790), (17, 925920), (18, 874480), (20, 787032), (24, 655860), (30, 524688), (32, 491895), (34, 462960), (36, 437240), (40, 393516), (45, 349792), (48, 327930), (51, 308640), (60, 262344), (68, 231480), (72, 218620), (80, 196758), (85, 185184), (90, 174896), (96, 163965), (102, 154320), (120, 131172), (136, 115740), (144, 109310), (153, 102880), (160, 98379), (170, 92592), (180, 87448), (204, 77160), (240, 65586), (255, 61728), (272, 57870), (288, 54655), (306, 51440), (340, 46296), (360, 43724), (408, 38580), (480, 32793), (510, 30864), (544, 28935), (612, 25720), (643, 24480), (680, 23148), (720, 21862), (765, 20576), (816, 19290), (1020, 15432), (1224, 12860), (1286, 12240), (1360, 11574), (1440, 10931), (1530, 10288), (1632, 9645), (1929, 8160), (2040, 7716), (2448, 6430), (2572, 6120), (2720, 5787), (3060, 5144), (3215, 4896), (3858, 4080)]