81883560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 293932800

約数和(自身を除く): 212049240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 41, 44, 51, 55, 60, 66, 68, 82, 85, 88, 89, 102, 110, 120, 123, 132, 136, 164, 165, 170, 178, 187, 204, 205, 220, 246, 255, 264, 267, 328, 330, 340, 356, 374, 408, 410, 440, 445, 451, 492, 510, 534, 561, 615, 660, 680, 697, 712, 748, 820, 890, 902, 935, 979, 984, 1020, 1068, 1122, 1230, 1320, 1335, 1353, 1394, 1496, 1513, 1640, 1780, 1804, 1870, 1958, 2040, 2091, 2136, 2244, 2255, 2460, 2670, 2706, 2788, 2805, 2937, 3026, 3485, 3560, 3608, 3649, 3740, 3916, 4182, 4488, 4510, 4539, 4895, 4920, 5340, 5412, 5576, 5610, 5874, 6052, 6765, 6970, 7298, 7480, 7565, 7667, 7832, 8364, 9020, 9078, 9790, 10455, 10680, 10824, 10947, 11220, 11748, 12104, 13530, 13940, 14596, 14685, 15130, 15334, 16643, 16728, 18040, 18156, 18245, 19580, 20910, 21894, 22440, 22695, 23001, 23496, 27060, 27880, 29192, 29370, 30260, 30668, 33286, 36312, 36490, 38335, 39160, 40139, 41820, 43788, 45390, 46002, 49929, 54120, 54735, 58740, 60520, 61336, 62033, 66572, 72980, 76670, 80278, 83215, 83640, 87576, 90780, 92004, 99858, 109470, 115005, 117480, 120417, 124066, 133144, 145960, 153340, 160556, 166430, 181560, 184008, 186099, 199716, 200695, 218940, 230010, 240834, 248132, 249645, 306680, 310165, 321112, 332860, 372198, 399432, 401390, 437880, 460020, 481668, 496264, 499290, 602085, 620330, 665720, 682363, 744396, 802780, 920040, 930495, 963336, 998580, 1204170, 1240660, 1364726, 1488792, 1605560, 1860990, 1997160, 2047089, 2408340, 2481320, 2729452, 3411815, 3721980, 4094178, 4816680, 5458904, 6823630, 7443960, 8188356, 10235445, 13647260, 16376712, 20470890, 27294520, 40941780, 81883560]

約数ペア:

[(1, 81883560), (2, 40941780), (3, 27294520), (4, 20470890), (5, 16376712), (6, 13647260), (8, 10235445), (10, 8188356), (11, 7443960), (12, 6823630), (15, 5458904), (17, 4816680), (20, 4094178), (22, 3721980), (24, 3411815), (30, 2729452), (33, 2481320), (34, 2408340), (40, 2047089), (41, 1997160), (44, 1860990), (51, 1605560), (55, 1488792), (60, 1364726), (66, 1240660), (68, 1204170), (82, 998580), (85, 963336), (88, 930495), (89, 920040), (102, 802780), (110, 744396), (120, 682363), (123, 665720), (132, 620330), (136, 602085), (164, 499290), (165, 496264), (170, 481668), (178, 460020), (187, 437880), (204, 401390), (205, 399432), (220, 372198), (246, 332860), (255, 321112), (264, 310165), (267, 306680), (328, 249645), (330, 248132), (340, 240834), (356, 230010), (374, 218940), (408, 200695), (410, 199716), (440, 186099), (445, 184008), (451, 181560), (492, 166430), (510, 160556), (534, 153340), (561, 145960), (615, 133144), (660, 124066), (680, 120417), (697, 117480), (712, 115005), (748, 109470), (820, 99858), (890, 92004), (902, 90780), (935, 87576), (979, 83640), (984, 83215), (1020, 80278), (1068, 76670), (1122, 72980), (1230, 66572), (1320, 62033), (1335, 61336), (1353, 60520), (1394, 58740), (1496, 54735), (1513, 54120), (1640, 49929), (1780, 46002), (1804, 45390), (1870, 43788), (1958, 41820), (2040, 40139), (2091, 39160), (2136, 38335), (2244, 36490), (2255, 36312), (2460, 33286), (2670, 30668), (2706, 30260), (2788, 29370), (2805, 29192), (2937, 27880), (3026, 27060), (3485, 23496), (3560, 23001), (3608, 22695), (3649, 22440), (3740, 21894), (3916, 20910), (4182, 19580), (4488, 18245), (4510, 18156), (4539, 18040), (4895, 16728), (4920, 16643), (5340, 15334), (5412, 15130), (5576, 14685), (5610, 14596), (5874, 13940), (6052, 13530), (6765, 12104), (6970, 11748), (7298, 11220), (7480, 10947), (7565, 10824), (7667, 10680), (7832, 10455), (8364, 9790), (9020, 9078)]