207840420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:922

約数の個数: 144

約数和(自身を含む): 669457152

約数和(自身を除く): 461616732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 276, 305, 345, 366, 414, 460, 549, 610, 690, 732, 823, 828, 915, 1035, 1098, 1220, 1380, 1403, 1646, 1830, 2070, 2196, 2469, 2745, 2806, 3292, 3660, 4115, 4140, 4209, 4938, 5490, 5612, 7015, 7407, 8230, 8418, 9876, 10980, 12345, 12627, 14030, 14814, 16460, 16836, 18929, 21045, 24690, 25254, 28060, 29628, 37035, 37858, 42090, 49380, 50203, 50508, 56787, 63135, 74070, 75716, 84180, 94645, 100406, 113574, 126270, 148140, 150609, 170361, 189290, 200812, 227148, 251015, 252540, 283935, 301218, 340722, 378580, 451827, 502030, 567870, 602436, 681444, 753045, 851805, 903654, 1004060, 1135740, 1154669, 1506090, 1703610, 1807308, 2259135, 2309338, 3012180, 3407220, 3464007, 4518270, 4618676, 5773345, 6928014, 9036540, 10392021, 11546690, 13856028, 17320035, 20784042, 23093380, 34640070, 41568084, 51960105, 69280140, 103920210, 207840420]

約数ペア:

[(1, 207840420), (2, 103920210), (3, 69280140), (4, 51960105), (5, 41568084), (6, 34640070), (9, 23093380), (10, 20784042), (12, 17320035), (15, 13856028), (18, 11546690), (20, 10392021), (23, 9036540), (30, 6928014), (36, 5773345), (45, 4618676), (46, 4518270), (60, 3464007), (61, 3407220), (69, 3012180), (90, 2309338), (92, 2259135), (115, 1807308), (122, 1703610), (138, 1506090), (180, 1154669), (183, 1135740), (207, 1004060), (230, 903654), (244, 851805), (276, 753045), (305, 681444), (345, 602436), (366, 567870), (414, 502030), (460, 451827), (549, 378580), (610, 340722), (690, 301218), (732, 283935), (823, 252540), (828, 251015), (915, 227148), (1035, 200812), (1098, 189290), (1220, 170361), (1380, 150609), (1403, 148140), (1646, 126270), (1830, 113574), (2070, 100406), (2196, 94645), (2469, 84180), (2745, 75716), (2806, 74070), (3292, 63135), (3660, 56787), (4115, 50508), (4140, 50203), (4209, 49380), (4938, 42090), (5490, 37858), (5612, 37035), (7015, 29628), (7407, 28060), (8230, 25254), (8418, 24690), (9876, 21045), (10980, 18929), (12345, 16836), (12627, 16460), (14030, 14814)]