40013820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2887}}^1$

素因数の和:2920

約数の個数: 144

約数和(自身を含む): 151377408

約数和(自身を除く): 111363588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 2887, 3465, 4620, 5774, 6930, 8661, 11548, 13860, 14435, 17322, 20209, 25983, 28870, 31757, 34644, 40418, 43305, 51966, 57740, 60627, 63514, 80836, 86610, 95271, 101045, 103932, 121254, 127028, 129915, 158785, 173220, 181881, 190542, 202090, 222299, 242508, 259830, 285813, 303135, 317570, 363762, 381084, 404180, 444598, 476355, 519660, 571626, 606270, 635140, 666897, 727524, 889196, 909405, 952710, 1111495, 1143252, 1212540, 1333794, 1429065, 1818810, 1905420, 2000691, 2222990, 2667588, 2858130, 3334485, 3637620, 4001382, 4445980, 5716260, 6668970, 8002764, 10003455, 13337940, 20006910, 40013820]

約数ペア:

[(1, 40013820), (2, 20006910), (3, 13337940), (4, 10003455), (5, 8002764), (6, 6668970), (7, 5716260), (9, 4445980), (10, 4001382), (11, 3637620), (12, 3334485), (14, 2858130), (15, 2667588), (18, 2222990), (20, 2000691), (21, 1905420), (22, 1818810), (28, 1429065), (30, 1333794), (33, 1212540), (35, 1143252), (36, 1111495), (42, 952710), (44, 909405), (45, 889196), (55, 727524), (60, 666897), (63, 635140), (66, 606270), (70, 571626), (77, 519660), (84, 476355), (90, 444598), (99, 404180), (105, 381084), (110, 363762), (126, 317570), (132, 303135), (140, 285813), (154, 259830), (165, 242508), (180, 222299), (198, 202090), (210, 190542), (220, 181881), (231, 173220), (252, 158785), (308, 129915), (315, 127028), (330, 121254), (385, 103932), (396, 101045), (420, 95271), (462, 86610), (495, 80836), (630, 63514), (660, 60627), (693, 57740), (770, 51966), (924, 43305), (990, 40418), (1155, 34644), (1260, 31757), (1386, 28870), (1540, 25983), (1980, 20209), (2310, 17322), (2772, 14435), (2887, 13860), (3465, 11548), (4620, 8661), (5774, 6930)]