18986280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 62052480

約数和(自身を除く): 43066200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 227, 246, 255, 328, 340, 408, 410, 454, 492, 510, 615, 680, 681, 697, 820, 908, 984, 1020, 1135, 1230, 1362, 1394, 1640, 1816, 2040, 2091, 2270, 2460, 2724, 2788, 3405, 3485, 3859, 4182, 4540, 4920, 5448, 5576, 6810, 6970, 7718, 8364, 9080, 9307, 10455, 11577, 13620, 13940, 15436, 16728, 18614, 19295, 20910, 23154, 27240, 27880, 27921, 30872, 37228, 38590, 41820, 46308, 46535, 55842, 57885, 74456, 77180, 83640, 92616, 93070, 111684, 115770, 139605, 154360, 158219, 186140, 223368, 231540, 279210, 316438, 372280, 463080, 474657, 558420, 632876, 791095, 949314, 1116840, 1265752, 1582190, 1898628, 2373285, 3164380, 3797256, 4746570, 6328760, 9493140, 18986280]

約数ペア:

[(1, 18986280), (2, 9493140), (3, 6328760), (4, 4746570), (5, 3797256), (6, 3164380), (8, 2373285), (10, 1898628), (12, 1582190), (15, 1265752), (17, 1116840), (20, 949314), (24, 791095), (30, 632876), (34, 558420), (40, 474657), (41, 463080), (51, 372280), (60, 316438), (68, 279210), (82, 231540), (85, 223368), (102, 186140), (120, 158219), (123, 154360), (136, 139605), (164, 115770), (170, 111684), (204, 93070), (205, 92616), (227, 83640), (246, 77180), (255, 74456), (328, 57885), (340, 55842), (408, 46535), (410, 46308), (454, 41820), (492, 38590), (510, 37228), (615, 30872), (680, 27921), (681, 27880), (697, 27240), (820, 23154), (908, 20910), (984, 19295), (1020, 18614), (1135, 16728), (1230, 15436), (1362, 13940), (1394, 13620), (1640, 11577), (1816, 10455), (2040, 9307), (2091, 9080), (2270, 8364), (2460, 7718), (2724, 6970), (2788, 6810), (3405, 5576), (3485, 5448), (3859, 4920), (4182, 4540)]