255511620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 288

約数和(自身を含む): 1005338880

約数和(自身を除く): 749827260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 821, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1482, 1596, 1638, 1642, 1710, 1729, 1820, 1995, 2223, 2340, 2394, 2463, 2470, 2660, 2730, 2964, 3276, 3284, 3420, 3458, 3705, 3990, 4095, 4105, 4446, 4788, 4926, 4940, 5187, 5460, 5747, 5985, 6916, 7389, 7410, 7980, 8190, 8210, 8645, 8892, 9852, 10374, 10673, 11115, 11494, 11970, 12315, 14778, 14820, 15561, 15599, 16380, 16420, 17241, 17290, 20748, 21346, 22230, 22988, 23940, 24630, 25935, 28735, 29556, 31122, 31198, 32019, 34482, 34580, 36945, 42692, 44460, 46797, 49260, 51723, 51870, 53365, 57470, 62244, 62396, 64038, 68964, 73890, 74711, 77805, 77995, 86205, 93594, 96057, 103446, 103740, 106730, 109193, 114940, 128076, 140391, 147780, 149422, 155610, 155990, 160095, 172410, 187188, 192114, 202787, 206892, 213460, 218386, 224133, 233985, 258615, 280782, 298844, 311220, 311980, 320190, 327579, 344820, 373555, 384228, 405574, 436772, 448266, 467970, 480285, 517230, 545965, 561564, 608361, 640380, 655158, 672399, 701955, 747110, 811148, 896532, 935940, 960570, 982737, 1013935, 1034460, 1091930, 1120665, 1216722, 1310316, 1344798, 1403910, 1419509, 1494220, 1637895, 1825083, 1921140, 1965474, 2027870, 2183860, 2241330, 2433444, 2689596, 2807820, 2839018, 3041805, 3275790, 3361995, 3650166, 3930948, 4055740, 4258527, 4482660, 4913685, 5678036, 6083610, 6551580, 6723990, 7097545, 7300332, 8517054, 9125415, 9827370, 12167220, 12775581, 13447980, 14195090, 17034108, 18250830, 19654740, 21292635, 25551162, 28390180, 36501660, 42585270, 51102324, 63877905, 85170540, 127755810, 255511620]

約数ペア:

[(1, 255511620), (2, 127755810), (3, 85170540), (4, 63877905), (5, 51102324), (6, 42585270), (7, 36501660), (9, 28390180), (10, 25551162), (12, 21292635), (13, 19654740), (14, 18250830), (15, 17034108), (18, 14195090), (19, 13447980), (20, 12775581), (21, 12167220), (26, 9827370), (28, 9125415), (30, 8517054), (35, 7300332), (36, 7097545), (38, 6723990), (39, 6551580), (42, 6083610), (45, 5678036), (52, 4913685), (57, 4482660), (60, 4258527), (63, 4055740), (65, 3930948), (70, 3650166), (76, 3361995), (78, 3275790), (84, 3041805), (90, 2839018), (91, 2807820), (95, 2689596), (105, 2433444), (114, 2241330), (117, 2183860), (126, 2027870), (130, 1965474), (133, 1921140), (140, 1825083), (156, 1637895), (171, 1494220), (180, 1419509), (182, 1403910), (190, 1344798), (195, 1310316), (210, 1216722), (228, 1120665), (234, 1091930), (247, 1034460), (252, 1013935), (260, 982737), (266, 960570), (273, 935940), (285, 896532), (315, 811148), (342, 747110), (364, 701955), (380, 672399), (390, 655158), (399, 640380), (420, 608361), (455, 561564), (468, 545965), (494, 517230), (532, 480285), (546, 467970), (570, 448266), (585, 436772), (630, 405574), (665, 384228), (684, 373555), (741, 344820), (780, 327579), (798, 320190), (819, 311980), (821, 311220), (855, 298844), (910, 280782), (988, 258615), (1092, 233985), (1140, 224133), (1170, 218386), (1197, 213460), (1235, 206892), (1260, 202787), (1330, 192114), (1365, 187188), (1482, 172410), (1596, 160095), (1638, 155990), (1642, 155610), (1710, 149422), (1729, 147780), (1820, 140391), (1995, 128076), (2223, 114940), (2340, 109193), (2394, 106730), (2463, 103740), (2470, 103446), (2660, 96057), (2730, 93594), (2964, 86205), (3276, 77995), (3284, 77805), (3420, 74711), (3458, 73890), (3705, 68964), (3990, 64038), (4095, 62396), (4105, 62244), (4446, 57470), (4788, 53365), (4926, 51870), (4940, 51723), (5187, 49260), (5460, 46797), (5747, 44460), (5985, 42692), (6916, 36945), (7389, 34580), (7410, 34482), (7980, 32019), (8190, 31198), (8210, 31122), (8645, 29556), (8892, 28735), (9852, 25935), (10374, 24630), (10673, 23940), (11115, 22988), (11494, 22230), (11970, 21346), (12315, 20748), (14778, 17290), (14820, 17241), (15561, 16420), (15599, 16380)]