254115120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 952439040

約数和(自身を除く): 698323920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 361, 380, 399, 419, 420, 456, 532, 560, 570, 665, 722, 760, 798, 838, 840, 912, 1064, 1083, 1140, 1257, 1330, 1444, 1520, 1596, 1676, 1680, 1805, 1995, 2095, 2128, 2166, 2280, 2514, 2527, 2660, 2888, 2933, 3192, 3352, 3610, 3990, 4190, 4332, 4560, 5028, 5054, 5320, 5415, 5776, 5866, 6285, 6384, 6704, 7220, 7581, 7961, 7980, 8380, 8664, 8799, 10056, 10108, 10640, 10830, 11732, 12570, 12635, 14440, 14665, 15162, 15922, 15960, 16760, 17328, 17598, 20112, 20216, 21660, 23464, 23883, 25140, 25270, 28880, 29330, 30324, 31844, 31920, 33520, 35196, 37905, 39805, 40432, 43320, 43995, 46928, 47766, 50280, 50540, 55727, 58660, 60648, 63688, 70392, 75810, 79610, 86640, 87990, 95532, 100560, 101080, 111454, 117320, 119415, 121296, 127376, 140784, 151259, 151620, 159220, 167181, 175980, 191064, 202160, 222908, 234640, 238830, 278635, 302518, 303240, 318440, 334362, 351960, 382128, 445816, 453777, 477660, 557270, 605036, 606480, 636880, 668724, 703920, 756295, 835905, 891632, 907554, 955320, 1058813, 1114540, 1210072, 1337448, 1512590, 1671810, 1815108, 1910640, 2117626, 2229080, 2268885, 2420144, 2674896, 3025180, 3176439, 3343620, 3630216, 4235252, 4458160, 4537770, 5294065, 6050360, 6352878, 6687240, 7260432, 8470504, 9075540, 10588130, 12100720, 12705756, 13374480, 15882195, 16941008, 18151080, 21176260, 25411512, 31764390, 36302160, 42352520, 50823024, 63528780, 84705040, 127057560, 254115120]

約数ペア:

[(1, 254115120), (2, 127057560), (3, 84705040), (4, 63528780), (5, 50823024), (6, 42352520), (7, 36302160), (8, 31764390), (10, 25411512), (12, 21176260), (14, 18151080), (15, 16941008), (16, 15882195), (19, 13374480), (20, 12705756), (21, 12100720), (24, 10588130), (28, 9075540), (30, 8470504), (35, 7260432), (38, 6687240), (40, 6352878), (42, 6050360), (48, 5294065), (56, 4537770), (57, 4458160), (60, 4235252), (70, 3630216), (76, 3343620), (80, 3176439), (84, 3025180), (95, 2674896), (105, 2420144), (112, 2268885), (114, 2229080), (120, 2117626), (133, 1910640), (140, 1815108), (152, 1671810), (168, 1512590), (190, 1337448), (210, 1210072), (228, 1114540), (240, 1058813), (266, 955320), (280, 907554), (285, 891632), (304, 835905), (336, 756295), (361, 703920), (380, 668724), (399, 636880), (419, 606480), (420, 605036), (456, 557270), (532, 477660), (560, 453777), (570, 445816), (665, 382128), (722, 351960), (760, 334362), (798, 318440), (838, 303240), (840, 302518), (912, 278635), (1064, 238830), (1083, 234640), (1140, 222908), (1257, 202160), (1330, 191064), (1444, 175980), (1520, 167181), (1596, 159220), (1676, 151620), (1680, 151259), (1805, 140784), (1995, 127376), (2095, 121296), (2128, 119415), (2166, 117320), (2280, 111454), (2514, 101080), (2527, 100560), (2660, 95532), (2888, 87990), (2933, 86640), (3192, 79610), (3352, 75810), (3610, 70392), (3990, 63688), (4190, 60648), (4332, 58660), (4560, 55727), (5028, 50540), (5054, 50280), (5320, 47766), (5415, 46928), (5776, 43995), (5866, 43320), (6285, 40432), (6384, 39805), (6704, 37905), (7220, 35196), (7581, 33520), (7961, 31920), (7980, 31844), (8380, 30324), (8664, 29330), (8799, 28880), (10056, 25270), (10108, 25140), (10640, 23883), (10830, 23464), (11732, 21660), (12570, 20216), (12635, 20112), (14440, 17598), (14665, 17328), (15162, 16760), (15922, 15960)]