30918240

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 114851520

約数和(自身を除く): 83933280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 340, 360, 408, 421, 432, 459, 480, 510, 540, 544, 612, 680, 720, 765, 816, 842, 864, 918, 1020, 1080, 1224, 1263, 1360, 1440, 1530, 1632, 1684, 1836, 2040, 2105, 2160, 2295, 2448, 2526, 2720, 3060, 3368, 3672, 3789, 4080, 4210, 4320, 4590, 4896, 5052, 6120, 6315, 6736, 7157, 7344, 7578, 8160, 8420, 9180, 10104, 11367, 12240, 12630, 13472, 14314, 14688, 15156, 16840, 18360, 18945, 20208, 21471, 22734, 24480, 25260, 28628, 30312, 33680, 35785, 36720, 37890, 40416, 42942, 45468, 50520, 56835, 57256, 60624, 64413, 67360, 71570, 73440, 75780, 85884, 90936, 101040, 107355, 113670, 114512, 121248, 128826, 143140, 151560, 171768, 181872, 193239, 202080, 214710, 227340, 229024, 257652, 286280, 303120, 322065, 343536, 363744, 386478, 429420, 454680, 515304, 572560, 606240, 644130, 687072, 772956, 858840, 909360, 966195, 1030608, 1145120, 1288260, 1545912, 1717680, 1818720, 1932390, 2061216, 2576520, 3091824, 3435360, 3864780, 5153040, 6183648, 7729560, 10306080, 15459120, 30918240]

約数ペア:

[(1, 30918240), (2, 15459120), (3, 10306080), (4, 7729560), (5, 6183648), (6, 5153040), (8, 3864780), (9, 3435360), (10, 3091824), (12, 2576520), (15, 2061216), (16, 1932390), (17, 1818720), (18, 1717680), (20, 1545912), (24, 1288260), (27, 1145120), (30, 1030608), (32, 966195), (34, 909360), (36, 858840), (40, 772956), (45, 687072), (48, 644130), (51, 606240), (54, 572560), (60, 515304), (68, 454680), (72, 429420), (80, 386478), (85, 363744), (90, 343536), (96, 322065), (102, 303120), (108, 286280), (120, 257652), (135, 229024), (136, 227340), (144, 214710), (153, 202080), (160, 193239), (170, 181872), (180, 171768), (204, 151560), (216, 143140), (240, 128826), (255, 121248), (270, 114512), (272, 113670), (288, 107355), (306, 101040), (340, 90936), (360, 85884), (408, 75780), (421, 73440), (432, 71570), (459, 67360), (480, 64413), (510, 60624), (540, 57256), (544, 56835), (612, 50520), (680, 45468), (720, 42942), (765, 40416), (816, 37890), (842, 36720), (864, 35785), (918, 33680), (1020, 30312), (1080, 28628), (1224, 25260), (1263, 24480), (1360, 22734), (1440, 21471), (1530, 20208), (1632, 18945), (1684, 18360), (1836, 16840), (2040, 15156), (2105, 14688), (2160, 14314), (2295, 13472), (2448, 12630), (2526, 12240), (2720, 11367), (3060, 10104), (3368, 9180), (3672, 8420), (3789, 8160), (4080, 7578), (4210, 7344), (4320, 7157), (4590, 6736), (4896, 6315), (5052, 6120)]