19887996240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{14561}}^1$

素因数の和:14858

約数の個数: 240

約数和(自身を含む): 76618953216

約数和(自身を除く): 56730956976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 271, 280, 315, 336, 360, 420, 504, 542, 560, 630, 720, 813, 840, 1008, 1084, 1260, 1355, 1626, 1680, 1897, 2168, 2439, 2520, 2710, 3252, 3794, 4065, 4336, 4878, 5040, 5420, 5691, 6504, 7588, 8130, 9485, 9756, 10840, 11382, 12195, 13008, 14561, 15176, 16260, 17073, 18970, 19512, 21680, 22764, 24390, 28455, 29122, 30352, 32520, 34146, 37940, 39024, 43683, 45528, 48780, 56910, 58244, 65040, 68292, 72805, 75880, 85365, 87366, 91056, 97560, 101927, 113820, 116488, 131049, 136584, 145610, 151760, 170730, 174732, 195120, 203854, 218415, 227640, 232976, 262098, 273168, 291220, 305781, 341460, 349464, 407708, 436830, 455280, 509635, 524196, 582440, 611562, 655245, 682920, 698928, 815416, 873660, 917343, 1019270, 1048392, 1164880, 1223124, 1310490, 1365840, 1528905, 1630832, 1747320, 1834686, 2038540, 2096784, 2446248, 2620980, 3057810, 3494640, 3669372, 3946031, 4077080, 4586715, 4892496, 5241960, 6115620, 7338744, 7892062, 8154160, 9173430, 10483920, 11838093, 12231240, 14677488, 15784124, 18346860, 19730155, 23676186, 24462480, 27622217, 31568248, 35514279, 36693720, 39460310, 47352372, 55244434, 59190465, 63136496, 71028558, 73387440, 78920620, 82866651, 94704744, 110488868, 118380930, 138111085, 142057116, 157841240, 165733302, 177571395, 189409488, 220977736, 236761860, 248599953, 276222170, 284114232, 315682480, 331466604, 355142790, 414333255, 441955472, 473523720, 497199906, 552444340, 568228464, 662933208, 710285580, 828666510, 947047440, 994399812, 1104888680, 1242999765, 1325866416, 1420571160, 1657333020, 1988799624, 2209777360, 2485999530, 2841142320, 3314666040, 3977599248, 4971999060, 6629332080, 9943998120, 19887996240]

約数ペア:

[(1, 19887996240), (2, 9943998120), (3, 6629332080), (4, 4971999060), (5, 3977599248), (6, 3314666040), (7, 2841142320), (8, 2485999530), (9, 2209777360), (10, 1988799624), (12, 1657333020), (14, 1420571160), (15, 1325866416), (16, 1242999765), (18, 1104888680), (20, 994399812), (21, 947047440), (24, 828666510), (28, 710285580), (30, 662933208), (35, 568228464), (36, 552444340), (40, 497199906), (42, 473523720), (45, 441955472), (48, 414333255), (56, 355142790), (60, 331466604), (63, 315682480), (70, 284114232), (72, 276222170), (80, 248599953), (84, 236761860), (90, 220977736), (105, 189409488), (112, 177571395), (120, 165733302), (126, 157841240), (140, 142057116), (144, 138111085), (168, 118380930), (180, 110488868), (210, 94704744), (240, 82866651), (252, 78920620), (271, 73387440), (280, 71028558), (315, 63136496), (336, 59190465), (360, 55244434), (420, 47352372), (504, 39460310), (542, 36693720), (560, 35514279), (630, 31568248), (720, 27622217), (813, 24462480), (840, 23676186), (1008, 19730155), (1084, 18346860), (1260, 15784124), (1355, 14677488), (1626, 12231240), (1680, 11838093), (1897, 10483920), (2168, 9173430), (2439, 8154160), (2520, 7892062), (2710, 7338744), (3252, 6115620), (3794, 5241960), (4065, 4892496), (4336, 4586715), (4878, 4077080), (5040, 3946031), (5420, 3669372), (5691, 3494640), (6504, 3057810), (7588, 2620980), (8130, 2446248), (9485, 2096784), (9756, 2038540), (10840, 1834686), (11382, 1747320), (12195, 1630832), (13008, 1528905), (14561, 1365840), (15176, 1310490), (16260, 1223124), (17073, 1164880), (18970, 1048392), (19512, 1019270), (21680, 917343), (22764, 873660), (24390, 815416), (28455, 698928), (29122, 682920), (30352, 655245), (32520, 611562), (34146, 582440), (37940, 524196), (39024, 509635), (43683, 455280), (45528, 436830), (48780, 407708), (56910, 349464), (58244, 341460), (65040, 305781), (68292, 291220), (72805, 273168), (75880, 262098), (85365, 232976), (87366, 227640), (91056, 218415), (97560, 203854), (101927, 195120), (113820, 174732), (116488, 170730), (131049, 151760), (136584, 145610)]