64891680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 288

約数和(自身を含む): 248209920

約数和(自身を除く): 183318240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 89, 93, 96, 98, 105, 112, 120, 124, 140, 147, 155, 160, 168, 178, 186, 196, 210, 217, 224, 240, 245, 248, 267, 280, 294, 310, 336, 356, 372, 392, 420, 434, 445, 465, 480, 490, 496, 534, 560, 588, 620, 623, 651, 672, 712, 735, 744, 784, 840, 868, 890, 930, 980, 992, 1068, 1085, 1120, 1176, 1240, 1246, 1302, 1335, 1424, 1470, 1488, 1519, 1568, 1680, 1736, 1780, 1860, 1869, 1960, 2136, 2170, 2352, 2480, 2492, 2604, 2670, 2759, 2848, 2940, 2976, 3038, 3115, 3255, 3360, 3472, 3560, 3720, 3738, 3920, 4272, 4340, 4361, 4557, 4704, 4960, 4984, 5208, 5340, 5518, 5880, 6076, 6230, 6510, 6944, 7120, 7440, 7476, 7595, 7840, 8277, 8544, 8680, 8722, 9114, 9345, 9968, 10416, 10680, 11036, 11760, 12152, 12460, 13020, 13083, 13795, 14240, 14880, 14952, 15190, 16554, 17360, 17444, 18228, 18690, 19313, 19936, 20832, 21360, 21805, 22072, 22785, 23520, 24304, 24920, 26040, 26166, 27590, 29904, 30380, 33108, 34720, 34888, 36456, 37380, 38626, 41385, 42720, 43610, 44144, 45570, 48608, 49840, 52080, 52332, 55180, 57939, 59808, 60760, 65415, 66216, 69776, 72912, 74760, 77252, 82770, 87220, 88288, 91140, 96565, 99680, 104160, 104664, 110360, 115878, 121520, 130830, 132432, 135191, 139552, 145824, 149520, 154504, 165540, 174440, 182280, 193130, 209328, 220720, 231756, 243040, 261660, 264864, 270382, 289695, 299040, 309008, 331080, 348880, 364560, 386260, 405573, 418656, 441440, 463512, 523320, 540764, 579390, 618016, 662160, 675955, 697760, 729120, 772520, 811146, 927024, 1046640, 1081528, 1158780, 1324320, 1351910, 1545040, 1622292, 1854048, 2027865, 2093280, 2163056, 2317560, 2703820, 3090080, 3244584, 4055730, 4326112, 4635120, 5407640, 6489168, 8111460, 9270240, 10815280, 12978336, 16222920, 21630560, 32445840, 64891680]

約数ペア:

[(1, 64891680), (2, 32445840), (3, 21630560), (4, 16222920), (5, 12978336), (6, 10815280), (7, 9270240), (8, 8111460), (10, 6489168), (12, 5407640), (14, 4635120), (15, 4326112), (16, 4055730), (20, 3244584), (21, 3090080), (24, 2703820), (28, 2317560), (30, 2163056), (31, 2093280), (32, 2027865), (35, 1854048), (40, 1622292), (42, 1545040), (48, 1351910), (49, 1324320), (56, 1158780), (60, 1081528), (62, 1046640), (70, 927024), (80, 811146), (84, 772520), (89, 729120), (93, 697760), (96, 675955), (98, 662160), (105, 618016), (112, 579390), (120, 540764), (124, 523320), (140, 463512), (147, 441440), (155, 418656), (160, 405573), (168, 386260), (178, 364560), (186, 348880), (196, 331080), (210, 309008), (217, 299040), (224, 289695), (240, 270382), (245, 264864), (248, 261660), (267, 243040), (280, 231756), (294, 220720), (310, 209328), (336, 193130), (356, 182280), (372, 174440), (392, 165540), (420, 154504), (434, 149520), (445, 145824), (465, 139552), (480, 135191), (490, 132432), (496, 130830), (534, 121520), (560, 115878), (588, 110360), (620, 104664), (623, 104160), (651, 99680), (672, 96565), (712, 91140), (735, 88288), (744, 87220), (784, 82770), (840, 77252), (868, 74760), (890, 72912), (930, 69776), (980, 66216), (992, 65415), (1068, 60760), (1085, 59808), (1120, 57939), (1176, 55180), (1240, 52332), (1246, 52080), (1302, 49840), (1335, 48608), (1424, 45570), (1470, 44144), (1488, 43610), (1519, 42720), (1568, 41385), (1680, 38626), (1736, 37380), (1780, 36456), (1860, 34888), (1869, 34720), (1960, 33108), (2136, 30380), (2170, 29904), (2352, 27590), (2480, 26166), (2492, 26040), (2604, 24920), (2670, 24304), (2759, 23520), (2848, 22785), (2940, 22072), (2976, 21805), (3038, 21360), (3115, 20832), (3255, 19936), (3360, 19313), (3472, 18690), (3560, 18228), (3720, 17444), (3738, 17360), (3920, 16554), (4272, 15190), (4340, 14952), (4361, 14880), (4557, 14240), (4704, 13795), (4960, 13083), (4984, 13020), (5208, 12460), (5340, 12152), (5518, 11760), (5880, 11036), (6076, 10680), (6230, 10416), (6510, 9968), (6944, 9345), (7120, 9114), (7440, 8722), (7476, 8680), (7595, 8544), (7840, 8277)]