728708520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:272

約数の個数: 256

約数和(自身を含む): 2426112000

約数和(自身を除く): 1697403480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 103, 107, 114, 116, 120, 145, 152, 174, 190, 206, 214, 228, 232, 285, 290, 309, 321, 348, 380, 412, 428, 435, 456, 515, 535, 551, 570, 580, 618, 642, 696, 760, 824, 856, 870, 1030, 1070, 1102, 1140, 1160, 1236, 1284, 1545, 1605, 1653, 1740, 1957, 2033, 2060, 2140, 2204, 2280, 2472, 2568, 2755, 2987, 3090, 3103, 3210, 3306, 3480, 3914, 4066, 4120, 4280, 4408, 5510, 5871, 5974, 6099, 6180, 6206, 6420, 6612, 7828, 8132, 8265, 8961, 9309, 9785, 10165, 11020, 11021, 11742, 11948, 12198, 12360, 12412, 12840, 13224, 14935, 15515, 15656, 16264, 16530, 17922, 18618, 19570, 20330, 22040, 22042, 23484, 23896, 24396, 24824, 29355, 29870, 30495, 31030, 33060, 33063, 35844, 37236, 39140, 40660, 44084, 44805, 46545, 46968, 48792, 55105, 56753, 58710, 58957, 59740, 60990, 62060, 66120, 66126, 71688, 74472, 78280, 81320, 88168, 89610, 93090, 110210, 113506, 117420, 117914, 119480, 121980, 124120, 132252, 165315, 170259, 176871, 179220, 186180, 209399, 220420, 227012, 234840, 235828, 243960, 264504, 283765, 294785, 319609, 330630, 340518, 353742, 358440, 372360, 418798, 440840, 454024, 471656, 567530, 589570, 628197, 639218, 661260, 681036, 707484, 837596, 851295, 884355, 958827, 1046995, 1135060, 1179140, 1256394, 1278436, 1322520, 1362072, 1414968, 1598045, 1675192, 1702590, 1768710, 1917654, 2093990, 2270120, 2358280, 2512788, 2556872, 3140985, 3196090, 3405180, 3537420, 3835308, 4187980, 4794135, 5025576, 6072571, 6281970, 6392180, 6810360, 7074840, 7670616, 8375960, 9588270, 12145142, 12563940, 12784360, 18217713, 19176540, 24290284, 25127880, 30362855, 36435426, 38353080, 48580568, 60725710, 72870852, 91088565, 121451420, 145741704, 182177130, 242902840, 364354260, 728708520]

約数ペア:

[(1, 728708520), (2, 364354260), (3, 242902840), (4, 182177130), (5, 145741704), (6, 121451420), (8, 91088565), (10, 72870852), (12, 60725710), (15, 48580568), (19, 38353080), (20, 36435426), (24, 30362855), (29, 25127880), (30, 24290284), (38, 19176540), (40, 18217713), (57, 12784360), (58, 12563940), (60, 12145142), (76, 9588270), (87, 8375960), (95, 7670616), (103, 7074840), (107, 6810360), (114, 6392180), (116, 6281970), (120, 6072571), (145, 5025576), (152, 4794135), (174, 4187980), (190, 3835308), (206, 3537420), (214, 3405180), (228, 3196090), (232, 3140985), (285, 2556872), (290, 2512788), (309, 2358280), (321, 2270120), (348, 2093990), (380, 1917654), (412, 1768710), (428, 1702590), (435, 1675192), (456, 1598045), (515, 1414968), (535, 1362072), (551, 1322520), (570, 1278436), (580, 1256394), (618, 1179140), (642, 1135060), (696, 1046995), (760, 958827), (824, 884355), (856, 851295), (870, 837596), (1030, 707484), (1070, 681036), (1102, 661260), (1140, 639218), (1160, 628197), (1236, 589570), (1284, 567530), (1545, 471656), (1605, 454024), (1653, 440840), (1740, 418798), (1957, 372360), (2033, 358440), (2060, 353742), (2140, 340518), (2204, 330630), (2280, 319609), (2472, 294785), (2568, 283765), (2755, 264504), (2987, 243960), (3090, 235828), (3103, 234840), (3210, 227012), (3306, 220420), (3480, 209399), (3914, 186180), (4066, 179220), (4120, 176871), (4280, 170259), (4408, 165315), (5510, 132252), (5871, 124120), (5974, 121980), (6099, 119480), (6180, 117914), (6206, 117420), (6420, 113506), (6612, 110210), (7828, 93090), (8132, 89610), (8265, 88168), (8961, 81320), (9309, 78280), (9785, 74472), (10165, 71688), (11020, 66126), (11021, 66120), (11742, 62060), (11948, 60990), (12198, 59740), (12360, 58957), (12412, 58710), (12840, 56753), (13224, 55105), (14935, 48792), (15515, 46968), (15656, 46545), (16264, 44805), (16530, 44084), (17922, 40660), (18618, 39140), (19570, 37236), (20330, 35844), (22040, 33063), (22042, 33060), (23484, 31030), (23896, 30495), (24396, 29870), (24824, 29355)]