256961781720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{569659}}^1$

素因数の和:569862

約数の個数: 192

約数和(自身を含む): 959763168000

約数和(自身を除く): 702801386280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 179, 180, 210, 252, 280, 315, 358, 360, 420, 504, 537, 630, 716, 840, 895, 1074, 1253, 1260, 1432, 1611, 1790, 2148, 2506, 2520, 2685, 3222, 3580, 3759, 4296, 5012, 5370, 6265, 6444, 7160, 7518, 8055, 10024, 10740, 11277, 12530, 12888, 15036, 16110, 18795, 21480, 22554, 25060, 30072, 32220, 37590, 45108, 50120, 56385, 64440, 75180, 90216, 112770, 150360, 225540, 451080, 569659, 1139318, 1708977, 2278636, 2848295, 3417954, 3987613, 4557272, 5126931, 5696590, 6835908, 7975226, 8544885, 10253862, 11393180, 11962839, 13671816, 15950452, 17089770, 19938065, 20507724, 22786360, 23925678, 25634655, 31900904, 34179540, 35888517, 39876130, 41015448, 47851356, 51269310, 59814195, 68359080, 71777034, 79752260, 95702712, 101968961, 102538620, 119628390, 143554068, 159504520, 179442585, 203937922, 205077240, 239256780, 287108136, 305906883, 358885170, 407875844, 478513560, 509844805, 611813766, 713782727, 717770340, 815751688, 917720649, 1019689610, 1223627532, 1427565454, 1435540680, 1529534415, 1835441298, 2039379220, 2141348181, 2447255064, 2855130908, 3059068830, 3568913635, 3670882596, 4078758440, 4282696362, 4588603245, 5710261816, 6118137660, 6424044543, 7137827270, 7341765192, 8565392724, 9177206490, 10706740905, 12236275320, 12848089086, 14275654540, 17130785448, 18354412980, 21413481810, 25696178172, 28551309080, 32120222715, 36708825960, 42826963620, 51392356344, 64240445430, 85653927240, 128480890860, 256961781720]

約数ペア:

[(1, 256961781720), (2, 128480890860), (3, 85653927240), (4, 64240445430), (5, 51392356344), (6, 42826963620), (7, 36708825960), (8, 32120222715), (9, 28551309080), (10, 25696178172), (12, 21413481810), (14, 18354412980), (15, 17130785448), (18, 14275654540), (20, 12848089086), (21, 12236275320), (24, 10706740905), (28, 9177206490), (30, 8565392724), (35, 7341765192), (36, 7137827270), (40, 6424044543), (42, 6118137660), (45, 5710261816), (56, 4588603245), (60, 4282696362), (63, 4078758440), (70, 3670882596), (72, 3568913635), (84, 3059068830), (90, 2855130908), (105, 2447255064), (120, 2141348181), (126, 2039379220), (140, 1835441298), (168, 1529534415), (179, 1435540680), (180, 1427565454), (210, 1223627532), (252, 1019689610), (280, 917720649), (315, 815751688), (358, 717770340), (360, 713782727), (420, 611813766), (504, 509844805), (537, 478513560), (630, 407875844), (716, 358885170), (840, 305906883), (895, 287108136), (1074, 239256780), (1253, 205077240), (1260, 203937922), (1432, 179442585), (1611, 159504520), (1790, 143554068), (2148, 119628390), (2506, 102538620), (2520, 101968961), (2685, 95702712), (3222, 79752260), (3580, 71777034), (3759, 68359080), (4296, 59814195), (5012, 51269310), (5370, 47851356), (6265, 41015448), (6444, 39876130), (7160, 35888517), (7518, 34179540), (8055, 31900904), (10024, 25634655), (10740, 23925678), (11277, 22786360), (12530, 20507724), (12888, 19938065), (15036, 17089770), (16110, 15950452), (18795, 13671816), (21480, 11962839), (22554, 11393180), (25060, 10253862), (30072, 8544885), (32220, 7975226), (37590, 6835908), (45108, 5696590), (50120, 5126931), (56385, 4557272), (64440, 3987613), (75180, 3417954), (90216, 2848295), (112770, 2278636), (150360, 1708977), (225540, 1139318), (451080, 569659)]