90804420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3793}}^1$

素因数の和:3834

約数の個数: 144

約数和(自身を含む): 331443840

約数和(自身を除く): 240639420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3793, 3990, 4788, 5985, 7586, 7980, 11379, 11970, 15172, 18965, 22758, 23940, 26551, 34137, 37930, 45516, 53102, 56895, 68274, 72067, 75860, 79653, 106204, 113790, 132755, 136548, 144134, 159306, 170685, 216201, 227580, 238959, 265510, 288268, 318612, 341370, 360335, 398265, 432402, 477918, 504469, 531020, 648603, 682740, 720670, 796530, 864804, 955836, 1008938, 1081005, 1194795, 1297206, 1441340, 1513407, 1593060, 2017876, 2162010, 2389590, 2522345, 2594412, 3026814, 3243015, 4324020, 4540221, 4779180, 5044690, 6053628, 6486030, 7567035, 9080442, 10089380, 12972060, 15134070, 18160884, 22701105, 30268140, 45402210, 90804420]

約数ペア:

[(1, 90804420), (2, 45402210), (3, 30268140), (4, 22701105), (5, 18160884), (6, 15134070), (7, 12972060), (9, 10089380), (10, 9080442), (12, 7567035), (14, 6486030), (15, 6053628), (18, 5044690), (19, 4779180), (20, 4540221), (21, 4324020), (28, 3243015), (30, 3026814), (35, 2594412), (36, 2522345), (38, 2389590), (42, 2162010), (45, 2017876), (57, 1593060), (60, 1513407), (63, 1441340), (70, 1297206), (76, 1194795), (84, 1081005), (90, 1008938), (95, 955836), (105, 864804), (114, 796530), (126, 720670), (133, 682740), (140, 648603), (171, 531020), (180, 504469), (190, 477918), (210, 432402), (228, 398265), (252, 360335), (266, 341370), (285, 318612), (315, 288268), (342, 265510), (380, 238959), (399, 227580), (420, 216201), (532, 170685), (570, 159306), (630, 144134), (665, 136548), (684, 132755), (798, 113790), (855, 106204), (1140, 79653), (1197, 75860), (1260, 72067), (1330, 68274), (1596, 56895), (1710, 53102), (1995, 45516), (2394, 37930), (2660, 34137), (3420, 26551), (3793, 23940), (3990, 22758), (4788, 18965), (5985, 15172), (7586, 11970), (7980, 11379)]