15281640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 57620160

約数和(自身を除く): 42338520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 227, 255, 264, 306, 330, 340, 360, 374, 396, 408, 440, 454, 495, 510, 561, 612, 660, 680, 681, 748, 765, 792, 908, 935, 990, 1020, 1122, 1135, 1224, 1320, 1362, 1496, 1530, 1683, 1816, 1870, 1980, 2040, 2043, 2244, 2270, 2497, 2724, 2805, 3060, 3366, 3405, 3740, 3859, 3960, 4086, 4488, 4540, 4994, 5448, 5610, 6120, 6732, 6810, 7480, 7491, 7718, 8172, 8415, 9080, 9988, 10215, 11220, 11577, 12485, 13464, 13620, 14982, 15436, 16344, 16830, 19295, 19976, 20430, 22440, 22473, 23154, 24970, 27240, 29964, 30872, 33660, 34731, 37455, 38590, 40860, 42449, 44946, 46308, 49940, 57885, 59928, 67320, 69462, 74910, 77180, 81720, 84898, 89892, 92616, 99880, 112365, 115770, 127347, 138924, 149820, 154360, 169796, 173655, 179784, 212245, 224730, 231540, 254694, 277848, 299640, 339592, 347310, 382041, 424490, 449460, 463080, 509388, 636735, 694620, 764082, 848980, 898920, 1018776, 1273470, 1389240, 1528164, 1697960, 1910205, 2546940, 3056328, 3820410, 5093880, 7640820, 15281640]

約数ペア:

[(1, 15281640), (2, 7640820), (3, 5093880), (4, 3820410), (5, 3056328), (6, 2546940), (8, 1910205), (9, 1697960), (10, 1528164), (11, 1389240), (12, 1273470), (15, 1018776), (17, 898920), (18, 848980), (20, 764082), (22, 694620), (24, 636735), (30, 509388), (33, 463080), (34, 449460), (36, 424490), (40, 382041), (44, 347310), (45, 339592), (51, 299640), (55, 277848), (60, 254694), (66, 231540), (68, 224730), (72, 212245), (85, 179784), (88, 173655), (90, 169796), (99, 154360), (102, 149820), (110, 138924), (120, 127347), (132, 115770), (136, 112365), (153, 99880), (165, 92616), (170, 89892), (180, 84898), (187, 81720), (198, 77180), (204, 74910), (220, 69462), (227, 67320), (255, 59928), (264, 57885), (306, 49940), (330, 46308), (340, 44946), (360, 42449), (374, 40860), (396, 38590), (408, 37455), (440, 34731), (454, 33660), (495, 30872), (510, 29964), (561, 27240), (612, 24970), (660, 23154), (680, 22473), (681, 22440), (748, 20430), (765, 19976), (792, 19295), (908, 16830), (935, 16344), (990, 15436), (1020, 14982), (1122, 13620), (1135, 13464), (1224, 12485), (1320, 11577), (1362, 11220), (1496, 10215), (1530, 9988), (1683, 9080), (1816, 8415), (1870, 8172), (1980, 7718), (2040, 7491), (2043, 7480), (2244, 6810), (2270, 6732), (2497, 6120), (2724, 5610), (2805, 5448), (3060, 4994), (3366, 4540), (3405, 4488), (3740, 4086), (3859, 3960)]