312128640

素因数分解:

$2^7\times 3^7\times 5^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 256

約数和(自身を含む): 1124121600

約数和(自身を除く): 811992960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 223, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 446, 480, 486, 540, 576, 640, 648, 669, 720, 729, 810, 864, 892, 960, 972, 1080, 1115, 1152, 1215, 1296, 1338, 1440, 1458, 1620, 1728, 1784, 1920, 1944, 2007, 2160, 2187, 2230, 2430, 2592, 2676, 2880, 2916, 3240, 3345, 3456, 3568, 3645, 3888, 4014, 4320, 4374, 4460, 4860, 5184, 5352, 5760, 5832, 6021, 6480, 6690, 7136, 7290, 7776, 8028, 8640, 8748, 8920, 9720, 10035, 10368, 10704, 10935, 11664, 12042, 12960, 13380, 14272, 14580, 15552, 16056, 17280, 17496, 17840, 18063, 19440, 20070, 21408, 21870, 23328, 24084, 25920, 26760, 28544, 29160, 30105, 31104, 32112, 34992, 35680, 36126, 38880, 40140, 42816, 43740, 46656, 48168, 51840, 53520, 54189, 58320, 60210, 64224, 69984, 71360, 72252, 77760, 80280, 85632, 87480, 90315, 93312, 96336, 107040, 108378, 116640, 120420, 128448, 139968, 142720, 144504, 155520, 160560, 162567, 174960, 180630, 192672, 214080, 216756, 233280, 240840, 256896, 270945, 279936, 289008, 321120, 325134, 349920, 361260, 385344, 428160, 433512, 466560, 481680, 487701, 541890, 578016, 642240, 650268, 699840, 722520, 770688, 812835, 867024, 963360, 975402, 1083780, 1156032, 1284480, 1300536, 1399680, 1445040, 1625670, 1734048, 1926720, 1950804, 2167560, 2312064, 2438505, 2601072, 2890080, 3251340, 3468096, 3853440, 3901608, 4335120, 4877010, 5202144, 5780160, 6502680, 6936192, 7803216, 8670240, 9754020, 10404288, 11560320, 13005360, 15606432, 17340480, 19508040, 20808576, 26010720, 31212864, 34680960, 39016080, 52021440, 62425728, 78032160, 104042880, 156064320, 312128640]

約数ペア:

[(1, 312128640), (2, 156064320), (3, 104042880), (4, 78032160), (5, 62425728), (6, 52021440), (8, 39016080), (9, 34680960), (10, 31212864), (12, 26010720), (15, 20808576), (16, 19508040), (18, 17340480), (20, 15606432), (24, 13005360), (27, 11560320), (30, 10404288), (32, 9754020), (36, 8670240), (40, 7803216), (45, 6936192), (48, 6502680), (54, 5780160), (60, 5202144), (64, 4877010), (72, 4335120), (80, 3901608), (81, 3853440), (90, 3468096), (96, 3251340), (108, 2890080), (120, 2601072), (128, 2438505), (135, 2312064), (144, 2167560), (160, 1950804), (162, 1926720), (180, 1734048), (192, 1625670), (216, 1445040), (223, 1399680), (240, 1300536), (243, 1284480), (270, 1156032), (288, 1083780), (320, 975402), (324, 963360), (360, 867024), (384, 812835), (405, 770688), (432, 722520), (446, 699840), (480, 650268), (486, 642240), (540, 578016), (576, 541890), (640, 487701), (648, 481680), (669, 466560), (720, 433512), (729, 428160), (810, 385344), (864, 361260), (892, 349920), (960, 325134), (972, 321120), (1080, 289008), (1115, 279936), (1152, 270945), (1215, 256896), (1296, 240840), (1338, 233280), (1440, 216756), (1458, 214080), (1620, 192672), (1728, 180630), (1784, 174960), (1920, 162567), (1944, 160560), (2007, 155520), (2160, 144504), (2187, 142720), (2230, 139968), (2430, 128448), (2592, 120420), (2676, 116640), (2880, 108378), (2916, 107040), (3240, 96336), (3345, 93312), (3456, 90315), (3568, 87480), (3645, 85632), (3888, 80280), (4014, 77760), (4320, 72252), (4374, 71360), (4460, 69984), (4860, 64224), (5184, 60210), (5352, 58320), (5760, 54189), (5832, 53520), (6021, 51840), (6480, 48168), (6690, 46656), (7136, 43740), (7290, 42816), (7776, 40140), (8028, 38880), (8640, 36126), (8748, 35680), (8920, 34992), (9720, 32112), (10035, 31104), (10368, 30105), (10704, 29160), (10935, 28544), (11664, 26760), (12042, 25920), (12960, 24084), (13380, 23328), (14272, 21870), (14580, 21408), (15552, 20070), (16056, 19440), (17280, 18063), (17496, 17840)]