4421006720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 256

約数和(自身を含む): 11984232960

約数和(自身を除く): 7563226240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 61, 62, 64, 65, 80, 104, 122, 124, 128, 130, 155, 160, 208, 244, 248, 260, 281, 305, 310, 320, 403, 416, 488, 496, 520, 562, 610, 620, 640, 793, 806, 832, 976, 992, 1040, 1124, 1220, 1240, 1405, 1586, 1612, 1664, 1891, 1952, 1984, 2015, 2080, 2248, 2440, 2480, 2810, 3172, 3224, 3653, 3782, 3904, 3965, 3968, 4030, 4160, 4496, 4880, 4960, 5620, 6344, 6448, 7306, 7564, 7808, 7930, 8060, 8320, 8711, 8992, 9455, 9760, 9920, 11240, 12688, 12896, 14612, 15128, 15860, 16120, 17141, 17422, 17984, 18265, 18910, 19520, 19840, 22480, 24583, 25376, 25792, 29224, 30256, 31720, 32240, 34282, 34844, 35968, 36530, 37820, 39040, 43555, 44960, 49166, 50752, 51584, 58448, 60512, 63440, 64480, 68564, 69688, 73060, 75640, 85705, 87110, 89920, 98332, 101504, 113243, 116896, 121024, 122915, 126880, 128960, 137128, 139376, 146120, 151280, 171410, 174220, 179840, 196664, 222833, 226486, 233792, 242048, 245830, 253760, 257920, 274256, 278752, 292240, 302560, 342820, 348440, 393328, 445666, 452972, 467584, 491660, 507520, 531371, 548512, 557504, 566215, 584480, 605120, 685640, 696880, 786656, 891332, 905944, 983320, 1062742, 1097024, 1114165, 1115008, 1132430, 1168960, 1210240, 1371280, 1393760, 1573312, 1782664, 1811888, 1966640, 2125484, 2194048, 2228330, 2264860, 2337920, 2656855, 2742560, 2787520, 3146624, 3565328, 3623776, 3933280, 4250968, 4456660, 4529720, 5313710, 5485120, 5575040, 6907823, 7130656, 7247552, 7866560, 8501936, 8913320, 9059440, 10627420, 10970240, 13815646, 14261312, 14495104, 15733120, 17003872, 17826640, 18118880, 21254840, 27631292, 28522624, 34007744, 34539115, 35653280, 36237760, 42509680, 55262584, 68015488, 69078230, 71306560, 72475520, 85019360, 110525168, 138156460, 142613120, 170038720, 221050336, 276312920, 340077440, 442100672, 552625840, 884201344, 1105251680, 2210503360, 4421006720]

約数ペア:

[(1, 4421006720), (2, 2210503360), (4, 1105251680), (5, 884201344), (8, 552625840), (10, 442100672), (13, 340077440), (16, 276312920), (20, 221050336), (26, 170038720), (31, 142613120), (32, 138156460), (40, 110525168), (52, 85019360), (61, 72475520), (62, 71306560), (64, 69078230), (65, 68015488), (80, 55262584), (104, 42509680), (122, 36237760), (124, 35653280), (128, 34539115), (130, 34007744), (155, 28522624), (160, 27631292), (208, 21254840), (244, 18118880), (248, 17826640), (260, 17003872), (281, 15733120), (305, 14495104), (310, 14261312), (320, 13815646), (403, 10970240), (416, 10627420), (488, 9059440), (496, 8913320), (520, 8501936), (562, 7866560), (610, 7247552), (620, 7130656), (640, 6907823), (793, 5575040), (806, 5485120), (832, 5313710), (976, 4529720), (992, 4456660), (1040, 4250968), (1124, 3933280), (1220, 3623776), (1240, 3565328), (1405, 3146624), (1586, 2787520), (1612, 2742560), (1664, 2656855), (1891, 2337920), (1952, 2264860), (1984, 2228330), (2015, 2194048), (2080, 2125484), (2248, 1966640), (2440, 1811888), (2480, 1782664), (2810, 1573312), (3172, 1393760), (3224, 1371280), (3653, 1210240), (3782, 1168960), (3904, 1132430), (3965, 1115008), (3968, 1114165), (4030, 1097024), (4160, 1062742), (4496, 983320), (4880, 905944), (4960, 891332), (5620, 786656), (6344, 696880), (6448, 685640), (7306, 605120), (7564, 584480), (7808, 566215), (7930, 557504), (8060, 548512), (8320, 531371), (8711, 507520), (8992, 491660), (9455, 467584), (9760, 452972), (9920, 445666), (11240, 393328), (12688, 348440), (12896, 342820), (14612, 302560), (15128, 292240), (15860, 278752), (16120, 274256), (17141, 257920), (17422, 253760), (17984, 245830), (18265, 242048), (18910, 233792), (19520, 226486), (19840, 222833), (22480, 196664), (24583, 179840), (25376, 174220), (25792, 171410), (29224, 151280), (30256, 146120), (31720, 139376), (32240, 137128), (34282, 128960), (34844, 126880), (35968, 122915), (36530, 121024), (37820, 116896), (39040, 113243), (43555, 101504), (44960, 98332), (49166, 89920), (50752, 87110), (51584, 85705), (58448, 75640), (60512, 73060), (63440, 69688), (64480, 68564)]