31456800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:300

約数の個数: 216

約数和(自身を含む): 117906516

約数和(自身を除く): 86449716

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 80, 85, 90, 96, 100, 102, 120, 136, 144, 150, 153, 160, 170, 180, 200, 204, 225, 240, 255, 257, 272, 288, 300, 306, 340, 360, 400, 408, 425, 450, 480, 510, 514, 544, 600, 612, 680, 720, 765, 771, 800, 816, 850, 900, 1020, 1028, 1200, 1224, 1275, 1285, 1360, 1440, 1530, 1542, 1632, 1700, 1800, 2040, 2056, 2313, 2400, 2448, 2550, 2570, 2720, 3060, 3084, 3400, 3600, 3825, 3855, 4080, 4112, 4369, 4626, 4896, 5100, 5140, 6120, 6168, 6425, 6800, 7200, 7650, 7710, 8160, 8224, 8738, 9252, 10200, 10280, 11565, 12240, 12336, 12850, 13107, 13600, 15300, 15420, 17476, 18504, 19275, 20400, 20560, 21845, 23130, 24480, 24672, 25700, 26214, 30600, 30840, 34952, 37008, 38550, 39321, 40800, 41120, 43690, 46260, 51400, 52428, 57825, 61200, 61680, 65535, 69904, 74016, 77100, 78642, 87380, 92520, 102800, 104856, 109225, 115650, 122400, 123360, 131070, 139808, 154200, 157284, 174760, 185040, 196605, 205600, 209712, 218450, 231300, 262140, 308400, 314568, 327675, 349520, 370080, 393210, 419424, 436900, 462600, 524280, 616800, 629136, 655350, 699040, 786420, 873800, 925200, 983025, 1048560, 1258272, 1310700, 1572840, 1747600, 1850400, 1966050, 2097120, 2621400, 3145680, 3495200, 3932100, 5242800, 6291360, 7864200, 10485600, 15728400, 31456800]

約数ペア:

[(1, 31456800), (2, 15728400), (3, 10485600), (4, 7864200), (5, 6291360), (6, 5242800), (8, 3932100), (9, 3495200), (10, 3145680), (12, 2621400), (15, 2097120), (16, 1966050), (17, 1850400), (18, 1747600), (20, 1572840), (24, 1310700), (25, 1258272), (30, 1048560), (32, 983025), (34, 925200), (36, 873800), (40, 786420), (45, 699040), (48, 655350), (50, 629136), (51, 616800), (60, 524280), (68, 462600), (72, 436900), (75, 419424), (80, 393210), (85, 370080), (90, 349520), (96, 327675), (100, 314568), (102, 308400), (120, 262140), (136, 231300), (144, 218450), (150, 209712), (153, 205600), (160, 196605), (170, 185040), (180, 174760), (200, 157284), (204, 154200), (225, 139808), (240, 131070), (255, 123360), (257, 122400), (272, 115650), (288, 109225), (300, 104856), (306, 102800), (340, 92520), (360, 87380), (400, 78642), (408, 77100), (425, 74016), (450, 69904), (480, 65535), (510, 61680), (514, 61200), (544, 57825), (600, 52428), (612, 51400), (680, 46260), (720, 43690), (765, 41120), (771, 40800), (800, 39321), (816, 38550), (850, 37008), (900, 34952), (1020, 30840), (1028, 30600), (1200, 26214), (1224, 25700), (1275, 24672), (1285, 24480), (1360, 23130), (1440, 21845), (1530, 20560), (1542, 20400), (1632, 19275), (1700, 18504), (1800, 17476), (2040, 15420), (2056, 15300), (2313, 13600), (2400, 13107), (2448, 12850), (2550, 12336), (2570, 12240), (2720, 11565), (3060, 10280), (3084, 10200), (3400, 9252), (3600, 8738), (3825, 8224), (3855, 8160), (4080, 7710), (4112, 7650), (4369, 7200), (4626, 6800), (4896, 6425), (5100, 6168), (5140, 6120)]