28742525440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{617}}^1$

素因数の和:1258

約数の個数: 160

約数和(自身を含む): 71374431744

約数和(自身を除く): 42631906304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 587, 617, 620, 640, 992, 1174, 1234, 1240, 1280, 1984, 2348, 2468, 2480, 2560, 2935, 3085, 3968, 4696, 4936, 4960, 5870, 6170, 7936, 9392, 9872, 9920, 11740, 12340, 15872, 18197, 18784, 19127, 19744, 19840, 23480, 24680, 36394, 37568, 38254, 39488, 39680, 46960, 49360, 72788, 75136, 76508, 78976, 79360, 90985, 93920, 95635, 98720, 145576, 150272, 153016, 157952, 181970, 187840, 191270, 197440, 291152, 300544, 306032, 315904, 362179, 363940, 375680, 382540, 394880, 582304, 612064, 724358, 727880, 751360, 765080, 789760, 1164608, 1224128, 1448716, 1455760, 1502720, 1530160, 1579520, 1810895, 2329216, 2448256, 2897432, 2911520, 3060320, 3621790, 4658432, 4896512, 5794864, 5823040, 6120640, 7243580, 9316864, 9793024, 11227549, 11589728, 11646080, 12241280, 14487160, 22455098, 23179456, 23292160, 24482560, 28974320, 44910196, 46358912, 46584320, 48965120, 56137745, 57948640, 89820392, 92717824, 112275490, 115897280, 179640784, 185435648, 224550980, 231794560, 359281568, 449101960, 463589120, 718563136, 898203920, 927178240, 1437126272, 1796407840, 2874252544, 3592815680, 5748505088, 7185631360, 14371262720, 28742525440]

約数ペア:

[(1, 28742525440), (2, 14371262720), (4, 7185631360), (5, 5748505088), (8, 3592815680), (10, 2874252544), (16, 1796407840), (20, 1437126272), (31, 927178240), (32, 898203920), (40, 718563136), (62, 463589120), (64, 449101960), (80, 359281568), (124, 231794560), (128, 224550980), (155, 185435648), (160, 179640784), (248, 115897280), (256, 112275490), (310, 92717824), (320, 89820392), (496, 57948640), (512, 56137745), (587, 48965120), (617, 46584320), (620, 46358912), (640, 44910196), (992, 28974320), (1174, 24482560), (1234, 23292160), (1240, 23179456), (1280, 22455098), (1984, 14487160), (2348, 12241280), (2468, 11646080), (2480, 11589728), (2560, 11227549), (2935, 9793024), (3085, 9316864), (3968, 7243580), (4696, 6120640), (4936, 5823040), (4960, 5794864), (5870, 4896512), (6170, 4658432), (7936, 3621790), (9392, 3060320), (9872, 2911520), (9920, 2897432), (11740, 2448256), (12340, 2329216), (15872, 1810895), (18197, 1579520), (18784, 1530160), (19127, 1502720), (19744, 1455760), (19840, 1448716), (23480, 1224128), (24680, 1164608), (36394, 789760), (37568, 765080), (38254, 751360), (39488, 727880), (39680, 724358), (46960, 612064), (49360, 582304), (72788, 394880), (75136, 382540), (76508, 375680), (78976, 363940), (79360, 362179), (90985, 315904), (93920, 306032), (95635, 300544), (98720, 291152), (145576, 197440), (150272, 191270), (153016, 187840), (157952, 181970)]