254981520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 300

約数和(自身を含む): 943226460

約数和(自身を除く): 688244940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 109, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 218, 228, 240, 270, 285, 304, 324, 327, 342, 360, 361, 380, 405, 432, 436, 456, 513, 540, 545, 570, 648, 654, 684, 720, 722, 760, 810, 855, 872, 912, 981, 1026, 1080, 1083, 1090, 1140, 1296, 1308, 1368, 1444, 1520, 1539, 1620, 1635, 1710, 1744, 1805, 1962, 2052, 2071, 2160, 2166, 2180, 2280, 2565, 2616, 2736, 2888, 2943, 3078, 3240, 3249, 3270, 3420, 3610, 3924, 4104, 4142, 4332, 4360, 4560, 4905, 5130, 5232, 5415, 5776, 5886, 6156, 6213, 6480, 6498, 6540, 6840, 7220, 7695, 7848, 8208, 8284, 8664, 8720, 8829, 9747, 9810, 10260, 10355, 10830, 11772, 12312, 12426, 12996, 13080, 13680, 14440, 14715, 15390, 15696, 16245, 16568, 17328, 17658, 18639, 19494, 19620, 20520, 20710, 21660, 23544, 24624, 24852, 25992, 26160, 28880, 29241, 29430, 30780, 31065, 32490, 33136, 35316, 37278, 38988, 39240, 39349, 41040, 41420, 43320, 44145, 47088, 48735, 49704, 51984, 55917, 58482, 58860, 61560, 62130, 64980, 70632, 74556, 77976, 78480, 78698, 82840, 86640, 88290, 93195, 97470, 99408, 111834, 116964, 117720, 118047, 123120, 124260, 129960, 141264, 146205, 149112, 155952, 157396, 165680, 167751, 176580, 186390, 194940, 196745, 223668, 233928, 235440, 236094, 248520, 259920, 279585, 292410, 298224, 314792, 335502, 353160, 354141, 372780, 389880, 393490, 447336, 467856, 472188, 497040, 559170, 584820, 590235, 629584, 671004, 706320, 708282, 745560, 779760, 786980, 838755, 894672, 944376, 1062423, 1118340, 1169640, 1180470, 1342008, 1416564, 1491120, 1573960, 1677510, 1770705, 1888752, 2124846, 2236680, 2339280, 2360940, 2684016, 2833128, 3147920, 3187269, 3355020, 3541410, 4249692, 4473360, 4721880, 5312115, 5666256, 6374538, 6710040, 7082820, 8499384, 9443760, 10624230, 12749076, 13420080, 14165640, 15936345, 16998768, 21248460, 25498152, 28331280, 31872690, 42496920, 50996304, 63745380, 84993840, 127490760, 254981520]

約数ペア:

[(1, 254981520), (2, 127490760), (3, 84993840), (4, 63745380), (5, 50996304), (6, 42496920), (8, 31872690), (9, 28331280), (10, 25498152), (12, 21248460), (15, 16998768), (16, 15936345), (18, 14165640), (19, 13420080), (20, 12749076), (24, 10624230), (27, 9443760), (30, 8499384), (36, 7082820), (38, 6710040), (40, 6374538), (45, 5666256), (48, 5312115), (54, 4721880), (57, 4473360), (60, 4249692), (72, 3541410), (76, 3355020), (80, 3187269), (81, 3147920), (90, 2833128), (95, 2684016), (108, 2360940), (109, 2339280), (114, 2236680), (120, 2124846), (135, 1888752), (144, 1770705), (152, 1677510), (162, 1573960), (171, 1491120), (180, 1416564), (190, 1342008), (216, 1180470), (218, 1169640), (228, 1118340), (240, 1062423), (270, 944376), (285, 894672), (304, 838755), (324, 786980), (327, 779760), (342, 745560), (360, 708282), (361, 706320), (380, 671004), (405, 629584), (432, 590235), (436, 584820), (456, 559170), (513, 497040), (540, 472188), (545, 467856), (570, 447336), (648, 393490), (654, 389880), (684, 372780), (720, 354141), (722, 353160), (760, 335502), (810, 314792), (855, 298224), (872, 292410), (912, 279585), (981, 259920), (1026, 248520), (1080, 236094), (1083, 235440), (1090, 233928), (1140, 223668), (1296, 196745), (1308, 194940), (1368, 186390), (1444, 176580), (1520, 167751), (1539, 165680), (1620, 157396), (1635, 155952), (1710, 149112), (1744, 146205), (1805, 141264), (1962, 129960), (2052, 124260), (2071, 123120), (2160, 118047), (2166, 117720), (2180, 116964), (2280, 111834), (2565, 99408), (2616, 97470), (2736, 93195), (2888, 88290), (2943, 86640), (3078, 82840), (3240, 78698), (3249, 78480), (3270, 77976), (3420, 74556), (3610, 70632), (3924, 64980), (4104, 62130), (4142, 61560), (4332, 58860), (4360, 58482), (4560, 55917), (4905, 51984), (5130, 49704), (5232, 48735), (5415, 47088), (5776, 44145), (5886, 43320), (6156, 41420), (6213, 41040), (6480, 39349), (6498, 39240), (6540, 38988), (6840, 37278), (7220, 35316), (7695, 33136), (7848, 32490), (8208, 31065), (8284, 30780), (8664, 29430), (8720, 29241), (8829, 28880), (9747, 26160), (9810, 25992), (10260, 24852), (10355, 24624), (10830, 23544), (11772, 21660), (12312, 20710), (12426, 20520), (12996, 19620), (13080, 19494), (13680, 18639), (14440, 17658), (14715, 17328), (15390, 16568), (15696, 16245)]