656209920

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:592

約数の個数: 192

約数和(自身を含む): 2154690720

約数和(自身を除く): 1498480800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 512, 521, 615, 640, 656, 768, 820, 960, 984, 1024, 1042, 1230, 1280, 1312, 1536, 1563, 1640, 1920, 1968, 2048, 2084, 2460, 2560, 2605, 2624, 3072, 3126, 3280, 3840, 3936, 4168, 4920, 5120, 5210, 5248, 6144, 6252, 6560, 7680, 7815, 7872, 8336, 9840, 10240, 10420, 10496, 12504, 13120, 15360, 15630, 15744, 16672, 19680, 20840, 20992, 21361, 25008, 26240, 30720, 31260, 31488, 33344, 39360, 41680, 41984, 42722, 50016, 52480, 62520, 62976, 64083, 66688, 78720, 83360, 83968, 85444, 100032, 104960, 106805, 125040, 125952, 128166, 133376, 157440, 166720, 170888, 200064, 209920, 213610, 250080, 251904, 256332, 266752, 314880, 320415, 333440, 341776, 400128, 419840, 427220, 500160, 512664, 533504, 629760, 640830, 666880, 683552, 800256, 854440, 1000320, 1025328, 1067008, 1259520, 1281660, 1333760, 1367104, 1600512, 1708880, 2000640, 2050656, 2563320, 2667520, 2734208, 3201024, 3417760, 4001280, 4101312, 5126640, 5335040, 5468416, 6835520, 8002560, 8202624, 10253280, 10936832, 13671040, 16005120, 16405248, 20506560, 21873664, 27342080, 32810496, 41013120, 43747328, 54684160, 65620992, 82026240, 109368320, 131241984, 164052480, 218736640, 328104960, 656209920]

約数ペア:

[(1, 656209920), (2, 328104960), (3, 218736640), (4, 164052480), (5, 131241984), (6, 109368320), (8, 82026240), (10, 65620992), (12, 54684160), (15, 43747328), (16, 41013120), (20, 32810496), (24, 27342080), (30, 21873664), (32, 20506560), (40, 16405248), (41, 16005120), (48, 13671040), (60, 10936832), (64, 10253280), (80, 8202624), (82, 8002560), (96, 6835520), (120, 5468416), (123, 5335040), (128, 5126640), (160, 4101312), (164, 4001280), (192, 3417760), (205, 3201024), (240, 2734208), (246, 2667520), (256, 2563320), (320, 2050656), (328, 2000640), (384, 1708880), (410, 1600512), (480, 1367104), (492, 1333760), (512, 1281660), (521, 1259520), (615, 1067008), (640, 1025328), (656, 1000320), (768, 854440), (820, 800256), (960, 683552), (984, 666880), (1024, 640830), (1042, 629760), (1230, 533504), (1280, 512664), (1312, 500160), (1536, 427220), (1563, 419840), (1640, 400128), (1920, 341776), (1968, 333440), (2048, 320415), (2084, 314880), (2460, 266752), (2560, 256332), (2605, 251904), (2624, 250080), (3072, 213610), (3126, 209920), (3280, 200064), (3840, 170888), (3936, 166720), (4168, 157440), (4920, 133376), (5120, 128166), (5210, 125952), (5248, 125040), (6144, 106805), (6252, 104960), (6560, 100032), (7680, 85444), (7815, 83968), (7872, 83360), (8336, 78720), (9840, 66688), (10240, 64083), (10420, 62976), (10496, 62520), (12504, 52480), (13120, 50016), (15360, 42722), (15630, 41984), (15744, 41680), (16672, 39360), (19680, 33344), (20840, 31488), (20992, 31260), (21361, 30720), (25008, 26240)]