247376520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:604

約数の個数: 192

約数和(自身を含む): 863291520

約数和(自身を除く): 615915000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 83, 85, 90, 102, 120, 136, 153, 166, 170, 180, 204, 249, 255, 306, 332, 340, 360, 408, 415, 487, 498, 510, 612, 664, 680, 747, 765, 830, 974, 996, 1020, 1224, 1245, 1411, 1461, 1494, 1530, 1660, 1948, 1992, 2040, 2435, 2490, 2822, 2922, 2988, 3060, 3320, 3735, 3896, 4233, 4383, 4870, 4980, 5644, 5844, 5976, 6120, 7055, 7305, 7470, 8279, 8466, 8766, 9740, 9960, 11288, 11688, 12699, 14110, 14610, 14940, 16558, 16932, 17532, 19480, 21165, 21915, 24837, 25398, 28220, 29220, 29880, 33116, 33864, 35064, 40421, 41395, 42330, 43830, 49674, 50796, 56440, 58440, 63495, 66232, 74511, 80842, 82790, 84660, 87660, 99348, 101592, 121263, 124185, 126990, 149022, 161684, 165580, 169320, 175320, 198696, 202105, 242526, 248370, 253980, 298044, 323368, 331160, 363789, 372555, 404210, 485052, 496740, 507960, 596088, 606315, 687157, 727578, 745110, 808420, 970104, 993480, 1212630, 1374314, 1455156, 1490220, 1616840, 1818945, 2061471, 2425260, 2748628, 2910312, 2980440, 3435785, 3637890, 4122942, 4850520, 5497256, 6184413, 6871570, 7275780, 8245884, 10307355, 12368826, 13743140, 14551560, 16491768, 20614710, 24737652, 27486280, 30922065, 41229420, 49475304, 61844130, 82458840, 123688260, 247376520]

約数ペア:

[(1, 247376520), (2, 123688260), (3, 82458840), (4, 61844130), (5, 49475304), (6, 41229420), (8, 30922065), (9, 27486280), (10, 24737652), (12, 20614710), (15, 16491768), (17, 14551560), (18, 13743140), (20, 12368826), (24, 10307355), (30, 8245884), (34, 7275780), (36, 6871570), (40, 6184413), (45, 5497256), (51, 4850520), (60, 4122942), (68, 3637890), (72, 3435785), (83, 2980440), (85, 2910312), (90, 2748628), (102, 2425260), (120, 2061471), (136, 1818945), (153, 1616840), (166, 1490220), (170, 1455156), (180, 1374314), (204, 1212630), (249, 993480), (255, 970104), (306, 808420), (332, 745110), (340, 727578), (360, 687157), (408, 606315), (415, 596088), (487, 507960), (498, 496740), (510, 485052), (612, 404210), (664, 372555), (680, 363789), (747, 331160), (765, 323368), (830, 298044), (974, 253980), (996, 248370), (1020, 242526), (1224, 202105), (1245, 198696), (1411, 175320), (1461, 169320), (1494, 165580), (1530, 161684), (1660, 149022), (1948, 126990), (1992, 124185), (2040, 121263), (2435, 101592), (2490, 99348), (2822, 87660), (2922, 84660), (2988, 82790), (3060, 80842), (3320, 74511), (3735, 66232), (3896, 63495), (4233, 58440), (4383, 56440), (4870, 50796), (4980, 49674), (5644, 43830), (5844, 42330), (5976, 41395), (6120, 40421), (7055, 35064), (7305, 33864), (7470, 33116), (8279, 29880), (8466, 29220), (8766, 28220), (9740, 25398), (9960, 24837), (11288, 21915), (11688, 21165), (12699, 19480), (14110, 17532), (14610, 16932), (14940, 16558)]