651200640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:391

約数の個数: 256

約数和(自身を含む): 2236688640

約数和(自身を除く): 1585488000

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, 71, 80, 85, 96, 102, 120, 128, 136, 142, 160, 170, 192, 204, 213, 240, 255, 272, 281, 284, 320, 340, 355, 384, 408, 426, 480, 510, 544, 562, 568, 640, 680, 710, 816, 843, 852, 960, 1020, 1065, 1088, 1124, 1136, 1207, 1360, 1405, 1420, 1632, 1686, 1704, 1920, 2040, 2130, 2176, 2248, 2272, 2414, 2720, 2810, 2840, 3264, 3372, 3408, 3621, 4080, 4215, 4260, 4496, 4544, 4777, 4828, 5440, 5620, 5680, 6035, 6528, 6744, 6816, 7242, 8160, 8430, 8520, 8992, 9088, 9554, 9656, 10880, 11240, 11360, 12070, 13488, 13632, 14331, 14484, 16320, 16860, 17040, 17984, 18105, 19108, 19312, 19951, 22480, 22720, 23885, 24140, 26976, 27264, 28662, 28968, 32640, 33720, 34080, 35968, 36210, 38216, 38624, 39902, 44960, 45440, 47770, 48280, 53952, 57324, 57936, 59853, 67440, 68160, 71655, 72420, 76432, 77248, 79804, 89920, 95540, 96560, 99755, 107904, 114648, 115872, 119706, 134880, 136320, 143310, 144840, 152864, 154496, 159608, 179840, 191080, 193120, 199510, 229296, 231744, 239412, 269760, 286620, 289680, 299265, 305728, 319216, 339167, 382160, 386240, 399020, 458592, 463488, 478824, 539520, 573240, 579360, 598530, 611456, 638432, 678334, 764320, 772480, 798040, 917184, 957648, 1017501, 1146480, 1158720, 1197060, 1276864, 1356668, 1528640, 1596080, 1695835, 1834368, 1915296, 2035002, 2292960, 2317440, 2394120, 2553728, 2713336, 3057280, 3192160, 3391670, 3830592, 4070004, 4585920, 4788240, 5087505, 5426672, 6384320, 6783340, 7661184, 8140008, 9171840, 9576480, 10175010, 10853344, 12768640, 13566680, 16280016, 19152960, 20350020, 21706688, 27133360, 32560032, 38305920, 40700040, 43413376, 54266720, 65120064, 81400080, 108533440, 130240128, 162800160, 217066880, 325600320, 651200640]

約数ペア:

[(1, 651200640), (2, 325600320), (3, 217066880), (4, 162800160), (5, 130240128), (6, 108533440), (8, 81400080), (10, 65120064), (12, 54266720), (15, 43413376), (16, 40700040), (17, 38305920), (20, 32560032), (24, 27133360), (30, 21706688), (32, 20350020), (34, 19152960), (40, 16280016), (48, 13566680), (51, 12768640), (60, 10853344), (64, 10175010), (68, 9576480), (71, 9171840), (80, 8140008), (85, 7661184), (96, 6783340), (102, 6384320), (120, 5426672), (128, 5087505), (136, 4788240), (142, 4585920), (160, 4070004), (170, 3830592), (192, 3391670), (204, 3192160), (213, 3057280), (240, 2713336), (255, 2553728), (272, 2394120), (281, 2317440), (284, 2292960), (320, 2035002), (340, 1915296), (355, 1834368), (384, 1695835), (408, 1596080), (426, 1528640), (480, 1356668), (510, 1276864), (544, 1197060), (562, 1158720), (568, 1146480), (640, 1017501), (680, 957648), (710, 917184), (816, 798040), (843, 772480), (852, 764320), (960, 678334), (1020, 638432), (1065, 611456), (1088, 598530), (1124, 579360), (1136, 573240), (1207, 539520), (1360, 478824), (1405, 463488), (1420, 458592), (1632, 399020), (1686, 386240), (1704, 382160), (1920, 339167), (2040, 319216), (2130, 305728), (2176, 299265), (2248, 289680), (2272, 286620), (2414, 269760), (2720, 239412), (2810, 231744), (2840, 229296), (3264, 199510), (3372, 193120), (3408, 191080), (3621, 179840), (4080, 159608), (4215, 154496), (4260, 152864), (4496, 144840), (4544, 143310), (4777, 136320), (4828, 134880), (5440, 119706), (5620, 115872), (5680, 114648), (6035, 107904), (6528, 99755), (6744, 96560), (6816, 95540), (7242, 89920), (8160, 79804), (8430, 77248), (8520, 76432), (8992, 72420), (9088, 71655), (9554, 68160), (9656, 67440), (10880, 59853), (11240, 57936), (11360, 57324), (12070, 53952), (13488, 48280), (13632, 47770), (14331, 45440), (14484, 44960), (16320, 39902), (16860, 38624), (17040, 38216), (17984, 36210), (18105, 35968), (19108, 34080), (19312, 33720), (19951, 32640), (22480, 28968), (22720, 28662), (23885, 27264), (24140, 26976)]