40809420

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{311}}^1$

素因数の和:344

約数の個数: 108

約数和(自身を含む): 128956464

約数和(自身を除く): 88147044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 311, 324, 405, 486, 540, 622, 729, 810, 933, 972, 1215, 1244, 1458, 1555, 1620, 1866, 2187, 2430, 2799, 2916, 3110, 3645, 3732, 4374, 4665, 4860, 5598, 6220, 6561, 7290, 8397, 8748, 9330, 10935, 11196, 13122, 13995, 14580, 16794, 18660, 21870, 25191, 26244, 27990, 32805, 33588, 41985, 43740, 50382, 55980, 65610, 75573, 83970, 100764, 125955, 131220, 151146, 167940, 226719, 251910, 302292, 377865, 453438, 503820, 680157, 755730, 906876, 1133595, 1360314, 1511460, 2040471, 2267190, 2720628, 3400785, 4080942, 4534380, 6801570, 8161884, 10202355, 13603140, 20404710, 40809420]

約数ペア:

[(1, 40809420), (2, 20404710), (3, 13603140), (4, 10202355), (5, 8161884), (6, 6801570), (9, 4534380), (10, 4080942), (12, 3400785), (15, 2720628), (18, 2267190), (20, 2040471), (27, 1511460), (30, 1360314), (36, 1133595), (45, 906876), (54, 755730), (60, 680157), (81, 503820), (90, 453438), (108, 377865), (135, 302292), (162, 251910), (180, 226719), (243, 167940), (270, 151146), (311, 131220), (324, 125955), (405, 100764), (486, 83970), (540, 75573), (622, 65610), (729, 55980), (810, 50382), (933, 43740), (972, 41985), (1215, 33588), (1244, 32805), (1458, 27990), (1555, 26244), (1620, 25191), (1866, 21870), (2187, 18660), (2430, 16794), (2799, 14580), (2916, 13995), (3110, 13122), (3645, 11196), (3732, 10935), (4374, 9330), (4665, 8748), (4860, 8397), (5598, 7290), (6220, 6561)]