287897040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:626

約数の個数: 240

約数和(自身を含む): 1049450688

約数和(自身を除く): 761553648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 48, 51, 60, 68, 72, 80, 85, 86, 90, 102, 120, 129, 136, 144, 153, 170, 172, 180, 204, 215, 240, 255, 258, 272, 306, 340, 344, 360, 387, 408, 430, 510, 516, 547, 612, 645, 680, 688, 720, 731, 765, 774, 816, 860, 1020, 1032, 1094, 1224, 1290, 1360, 1462, 1530, 1548, 1641, 1720, 1935, 2040, 2064, 2188, 2193, 2448, 2580, 2735, 2924, 3060, 3096, 3282, 3440, 3655, 3870, 4080, 4376, 4386, 4923, 5160, 5470, 5848, 6120, 6192, 6564, 6579, 7310, 7740, 8205, 8752, 8772, 9299, 9846, 10320, 10940, 10965, 11696, 12240, 13128, 13158, 14620, 15480, 16410, 17544, 18598, 19692, 21880, 21930, 23521, 24615, 26256, 26316, 27897, 29240, 30960, 32820, 32895, 35088, 37196, 39384, 43760, 43860, 46495, 47042, 49230, 52632, 55794, 58480, 65640, 65790, 70563, 74392, 78768, 83691, 87720, 92990, 94084, 98460, 105264, 111588, 117605, 131280, 131580, 139485, 141126, 148784, 167382, 175440, 185980, 188168, 196920, 211689, 223176, 235210, 263160, 278970, 282252, 334764, 352815, 371960, 376336, 393840, 399857, 418455, 423378, 446352, 470420, 526320, 557940, 564504, 669528, 705630, 743920, 799714, 836910, 846756, 940840, 1058445, 1115880, 1129008, 1199571, 1339056, 1411260, 1599428, 1673820, 1693512, 1881680, 1999285, 2116890, 2231760, 2399142, 2822520, 3198856, 3347640, 3387024, 3598713, 3998570, 4233780, 4798284, 5645040, 5997855, 6397712, 6695280, 7197426, 7997140, 8467560, 9596568, 11995710, 14394852, 15994280, 16935120, 17993565, 19193136, 23991420, 28789704, 31988560, 35987130, 47982840, 57579408, 71974260, 95965680, 143948520, 287897040]

約数ペア:

[(1, 287897040), (2, 143948520), (3, 95965680), (4, 71974260), (5, 57579408), (6, 47982840), (8, 35987130), (9, 31988560), (10, 28789704), (12, 23991420), (15, 19193136), (16, 17993565), (17, 16935120), (18, 15994280), (20, 14394852), (24, 11995710), (30, 9596568), (34, 8467560), (36, 7997140), (40, 7197426), (43, 6695280), (45, 6397712), (48, 5997855), (51, 5645040), (60, 4798284), (68, 4233780), (72, 3998570), (80, 3598713), (85, 3387024), (86, 3347640), (90, 3198856), (102, 2822520), (120, 2399142), (129, 2231760), (136, 2116890), (144, 1999285), (153, 1881680), (170, 1693512), (172, 1673820), (180, 1599428), (204, 1411260), (215, 1339056), (240, 1199571), (255, 1129008), (258, 1115880), (272, 1058445), (306, 940840), (340, 846756), (344, 836910), (360, 799714), (387, 743920), (408, 705630), (430, 669528), (510, 564504), (516, 557940), (547, 526320), (612, 470420), (645, 446352), (680, 423378), (688, 418455), (720, 399857), (731, 393840), (765, 376336), (774, 371960), (816, 352815), (860, 334764), (1020, 282252), (1032, 278970), (1094, 263160), (1224, 235210), (1290, 223176), (1360, 211689), (1462, 196920), (1530, 188168), (1548, 185980), (1641, 175440), (1720, 167382), (1935, 148784), (2040, 141126), (2064, 139485), (2188, 131580), (2193, 131280), (2448, 117605), (2580, 111588), (2735, 105264), (2924, 98460), (3060, 94084), (3096, 92990), (3282, 87720), (3440, 83691), (3655, 78768), (3870, 74392), (4080, 70563), (4376, 65790), (4386, 65640), (4923, 58480), (5160, 55794), (5470, 52632), (5848, 49230), (6120, 47042), (6192, 46495), (6564, 43860), (6579, 43760), (7310, 39384), (7740, 37196), (8205, 35088), (8752, 32895), (8772, 32820), (9299, 30960), (9846, 29240), (10320, 27897), (10940, 26316), (10965, 26256), (11696, 24615), (12240, 23521), (13128, 21930), (13158, 21880), (14620, 19692), (15480, 18598), (16410, 17544)]