81750720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 224

約数和(自身を含む): 278562816

約数和(自身を除く): 196812096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 64, 67, 80, 82, 93, 96, 120, 123, 124, 134, 155, 160, 164, 186, 192, 201, 205, 240, 246, 248, 268, 310, 320, 328, 335, 372, 402, 410, 465, 480, 492, 496, 536, 615, 620, 656, 670, 744, 804, 820, 930, 960, 984, 992, 1005, 1072, 1230, 1240, 1271, 1312, 1340, 1488, 1608, 1640, 1860, 1968, 1984, 2010, 2077, 2144, 2460, 2480, 2542, 2624, 2680, 2747, 2976, 3216, 3280, 3720, 3813, 3936, 4020, 4154, 4288, 4920, 4960, 5084, 5360, 5494, 5952, 6231, 6355, 6432, 6560, 7440, 7626, 7872, 8040, 8241, 8308, 9840, 9920, 10168, 10385, 10720, 10988, 12462, 12710, 12864, 13120, 13735, 14880, 15252, 16080, 16482, 16616, 19065, 19680, 20336, 20770, 21440, 21976, 24924, 25420, 27470, 29760, 30504, 31155, 32160, 32964, 33232, 38130, 39360, 40672, 41205, 41540, 43952, 49848, 50840, 54940, 61008, 62310, 64320, 65928, 66464, 76260, 81344, 82410, 83080, 85157, 87904, 99696, 101680, 109880, 122016, 124620, 131856, 132928, 152520, 164820, 166160, 170314, 175808, 199392, 203360, 219760, 244032, 249240, 255471, 263712, 305040, 329640, 332320, 340628, 398784, 406720, 425785, 439520, 498480, 510942, 527424, 610080, 659280, 664640, 681256, 851570, 879040, 996960, 1021884, 1220160, 1277355, 1318560, 1362512, 1703140, 1993920, 2043768, 2554710, 2637120, 2725024, 3406280, 4087536, 5109420, 5450048, 6812560, 8175072, 10218840, 13625120, 16350144, 20437680, 27250240, 40875360, 81750720]

約数ペア:

[(1, 81750720), (2, 40875360), (3, 27250240), (4, 20437680), (5, 16350144), (6, 13625120), (8, 10218840), (10, 8175072), (12, 6812560), (15, 5450048), (16, 5109420), (20, 4087536), (24, 3406280), (30, 2725024), (31, 2637120), (32, 2554710), (40, 2043768), (41, 1993920), (48, 1703140), (60, 1362512), (62, 1318560), (64, 1277355), (67, 1220160), (80, 1021884), (82, 996960), (93, 879040), (96, 851570), (120, 681256), (123, 664640), (124, 659280), (134, 610080), (155, 527424), (160, 510942), (164, 498480), (186, 439520), (192, 425785), (201, 406720), (205, 398784), (240, 340628), (246, 332320), (248, 329640), (268, 305040), (310, 263712), (320, 255471), (328, 249240), (335, 244032), (372, 219760), (402, 203360), (410, 199392), (465, 175808), (480, 170314), (492, 166160), (496, 164820), (536, 152520), (615, 132928), (620, 131856), (656, 124620), (670, 122016), (744, 109880), (804, 101680), (820, 99696), (930, 87904), (960, 85157), (984, 83080), (992, 82410), (1005, 81344), (1072, 76260), (1230, 66464), (1240, 65928), (1271, 64320), (1312, 62310), (1340, 61008), (1488, 54940), (1608, 50840), (1640, 49848), (1860, 43952), (1968, 41540), (1984, 41205), (2010, 40672), (2077, 39360), (2144, 38130), (2460, 33232), (2480, 32964), (2542, 32160), (2624, 31155), (2680, 30504), (2747, 29760), (2976, 27470), (3216, 25420), (3280, 24924), (3720, 21976), (3813, 21440), (3936, 20770), (4020, 20336), (4154, 19680), (4288, 19065), (4920, 16616), (4960, 16482), (5084, 16080), (5360, 15252), (5494, 14880), (5952, 13735), (6231, 13120), (6355, 12864), (6432, 12710), (6560, 12462), (7440, 10988), (7626, 10720), (7872, 10385), (8040, 10168), (8241, 9920), (8308, 9840)]