30405420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5495

約数の個数: 72

約数和(自身を含む): 95222400

約数和(自身を除く): 64816980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5449, 5580, 10898, 16347, 21796, 27245, 32694, 49041, 54490, 65388, 81735, 98082, 108980, 163470, 168919, 196164, 245205, 326940, 337838, 490410, 506757, 675676, 844595, 980820, 1013514, 1520271, 1689190, 2027028, 2533785, 3040542, 3378380, 5067570, 6081084, 7601355, 10135140, 15202710, 30405420]

約数ペア:

[(1, 30405420), (2, 15202710), (3, 10135140), (4, 7601355), (5, 6081084), (6, 5067570), (9, 3378380), (10, 3040542), (12, 2533785), (15, 2027028), (18, 1689190), (20, 1520271), (30, 1013514), (31, 980820), (36, 844595), (45, 675676), (60, 506757), (62, 490410), (90, 337838), (93, 326940), (124, 245205), (155, 196164), (180, 168919), (186, 163470), (279, 108980), (310, 98082), (372, 81735), (465, 65388), (558, 54490), (620, 49041), (930, 32694), (1116, 27245), (1395, 21796), (1860, 16347), (2790, 10898), (5449, 5580)]