247399530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 732810240

約数和(自身を除く): 485410710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 61, 62, 70, 89, 93, 98, 105, 122, 147, 155, 178, 183, 186, 210, 217, 245, 267, 294, 305, 310, 366, 427, 434, 445, 465, 490, 534, 610, 623, 651, 735, 854, 890, 915, 930, 1085, 1246, 1281, 1302, 1335, 1470, 1519, 1830, 1869, 1891, 2135, 2170, 2562, 2670, 2759, 2989, 3038, 3115, 3255, 3738, 3782, 4270, 4361, 4557, 5429, 5518, 5673, 5978, 6230, 6405, 6510, 7595, 8277, 8722, 8967, 9114, 9345, 9455, 10858, 11346, 12810, 13083, 13237, 13795, 14945, 15190, 16287, 16554, 17934, 18690, 18910, 19313, 21805, 22785, 26166, 26474, 27145, 27590, 28365, 29890, 32574, 38003, 38626, 39711, 41385, 43610, 44835, 45570, 54290, 56730, 57939, 65415, 66185, 76006, 79422, 81435, 82770, 89670, 92659, 96565, 114009, 115878, 130830, 132370, 135191, 162870, 168299, 185318, 190015, 193130, 198555, 228018, 266021, 270382, 277977, 289695, 336598, 380030, 397110, 405573, 463295, 504897, 532042, 555954, 570045, 579390, 675955, 798063, 811146, 841495, 926590, 1009794, 1140090, 1178093, 1330105, 1351910, 1389885, 1596126, 1682990, 2027865, 2356186, 2524485, 2660210, 2779770, 3534279, 3990315, 4055730, 5048970, 5890465, 7068558, 7980630, 8246651, 11780930, 16493302, 17671395, 24739953, 35342790, 41233255, 49479906, 82466510, 123699765, 247399530]

約数ペア:

[(1, 247399530), (2, 123699765), (3, 82466510), (5, 49479906), (6, 41233255), (7, 35342790), (10, 24739953), (14, 17671395), (15, 16493302), (21, 11780930), (30, 8246651), (31, 7980630), (35, 7068558), (42, 5890465), (49, 5048970), (61, 4055730), (62, 3990315), (70, 3534279), (89, 2779770), (93, 2660210), (98, 2524485), (105, 2356186), (122, 2027865), (147, 1682990), (155, 1596126), (178, 1389885), (183, 1351910), (186, 1330105), (210, 1178093), (217, 1140090), (245, 1009794), (267, 926590), (294, 841495), (305, 811146), (310, 798063), (366, 675955), (427, 579390), (434, 570045), (445, 555954), (465, 532042), (490, 504897), (534, 463295), (610, 405573), (623, 397110), (651, 380030), (735, 336598), (854, 289695), (890, 277977), (915, 270382), (930, 266021), (1085, 228018), (1246, 198555), (1281, 193130), (1302, 190015), (1335, 185318), (1470, 168299), (1519, 162870), (1830, 135191), (1869, 132370), (1891, 130830), (2135, 115878), (2170, 114009), (2562, 96565), (2670, 92659), (2759, 89670), (2989, 82770), (3038, 81435), (3115, 79422), (3255, 76006), (3738, 66185), (3782, 65415), (4270, 57939), (4361, 56730), (4557, 54290), (5429, 45570), (5518, 44835), (5673, 43610), (5978, 41385), (6230, 39711), (6405, 38626), (6510, 38003), (7595, 32574), (8277, 29890), (8722, 28365), (8967, 27590), (9114, 27145), (9345, 26474), (9455, 26166), (10858, 22785), (11346, 21805), (12810, 19313), (13083, 18910), (13237, 18690), (13795, 17934), (14945, 16554), (15190, 16287)]