1387885440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 256

約数和(自身を含む): 4741727040

約数和(自身を除く): 3353841600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 101, 102, 120, 128, 136, 160, 170, 192, 202, 204, 240, 255, 272, 303, 320, 340, 384, 404, 408, 421, 480, 505, 510, 544, 606, 640, 680, 808, 816, 842, 960, 1010, 1020, 1088, 1212, 1263, 1360, 1515, 1616, 1632, 1684, 1717, 1920, 2020, 2040, 2105, 2176, 2424, 2526, 2720, 3030, 3232, 3264, 3368, 3434, 4040, 4080, 4210, 4848, 5052, 5151, 5440, 6060, 6315, 6464, 6528, 6736, 6868, 7157, 8080, 8160, 8420, 8585, 9696, 10104, 10302, 10880, 12120, 12630, 12928, 13472, 13736, 14314, 16160, 16320, 16840, 17170, 19392, 20208, 20604, 21471, 24240, 25260, 25755, 26944, 27472, 28628, 32320, 32640, 33680, 34340, 35785, 38784, 40416, 41208, 42521, 42942, 48480, 50520, 51510, 53888, 54944, 57256, 64640, 67360, 68680, 71570, 80832, 82416, 85042, 85884, 96960, 101040, 103020, 107355, 109888, 114512, 127563, 134720, 137360, 143140, 161664, 164832, 170084, 171768, 193920, 202080, 206040, 212605, 214710, 219776, 229024, 255126, 269440, 274720, 286280, 329664, 340168, 343536, 404160, 412080, 425210, 429420, 458048, 510252, 549440, 572560, 637815, 659328, 680336, 687072, 722857, 808320, 824160, 850420, 858840, 916096, 1020504, 1098880, 1145120, 1275630, 1360672, 1374144, 1445714, 1648320, 1700840, 1717680, 2041008, 2168571, 2290240, 2551260, 2721344, 2748288, 2891428, 3296640, 3401680, 3435360, 3614285, 4082016, 4337142, 4580480, 5102520, 5442688, 5782856, 6803360, 6870720, 7228570, 8164032, 8674284, 10205040, 10842855, 11565712, 13606720, 13741440, 14457140, 16328064, 17348568, 20410080, 21685710, 23131424, 27213440, 28914280, 34697136, 40820160, 43371420, 46262848, 57828560, 69394272, 81640320, 86742840, 92525696, 115657120, 138788544, 173485680, 231314240, 277577088, 346971360, 462628480, 693942720, 1387885440]

約数ペア:

[(1, 1387885440), (2, 693942720), (3, 462628480), (4, 346971360), (5, 277577088), (6, 231314240), (8, 173485680), (10, 138788544), (12, 115657120), (15, 92525696), (16, 86742840), (17, 81640320), (20, 69394272), (24, 57828560), (30, 46262848), (32, 43371420), (34, 40820160), (40, 34697136), (48, 28914280), (51, 27213440), (60, 23131424), (64, 21685710), (68, 20410080), (80, 17348568), (85, 16328064), (96, 14457140), (101, 13741440), (102, 13606720), (120, 11565712), (128, 10842855), (136, 10205040), (160, 8674284), (170, 8164032), (192, 7228570), (202, 6870720), (204, 6803360), (240, 5782856), (255, 5442688), (272, 5102520), (303, 4580480), (320, 4337142), (340, 4082016), (384, 3614285), (404, 3435360), (408, 3401680), (421, 3296640), (480, 2891428), (505, 2748288), (510, 2721344), (544, 2551260), (606, 2290240), (640, 2168571), (680, 2041008), (808, 1717680), (816, 1700840), (842, 1648320), (960, 1445714), (1010, 1374144), (1020, 1360672), (1088, 1275630), (1212, 1145120), (1263, 1098880), (1360, 1020504), (1515, 916096), (1616, 858840), (1632, 850420), (1684, 824160), (1717, 808320), (1920, 722857), (2020, 687072), (2040, 680336), (2105, 659328), (2176, 637815), (2424, 572560), (2526, 549440), (2720, 510252), (3030, 458048), (3232, 429420), (3264, 425210), (3368, 412080), (3434, 404160), (4040, 343536), (4080, 340168), (4210, 329664), (4848, 286280), (5052, 274720), (5151, 269440), (5440, 255126), (6060, 229024), (6315, 219776), (6464, 214710), (6528, 212605), (6736, 206040), (6868, 202080), (7157, 193920), (8080, 171768), (8160, 170084), (8420, 164832), (8585, 161664), (9696, 143140), (10104, 137360), (10302, 134720), (10880, 127563), (12120, 114512), (12630, 109888), (12928, 107355), (13472, 103020), (13736, 101040), (14314, 96960), (16160, 85884), (16320, 85042), (16840, 82416), (17170, 80832), (19392, 71570), (20208, 68680), (20604, 67360), (21471, 64640), (24240, 57256), (25260, 54944), (25755, 53888), (26944, 51510), (27472, 50520), (28628, 48480), (32320, 42942), (32640, 42521), (33680, 41208), (34340, 40416), (35785, 38784)]