18408420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3299}}^1$

素因数の和:3345

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 39249180

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, 3299, 5580, 6598, 9897, 13196, 16495, 19794, 29691, 32990, 39588, 49485, 59382, 65980, 98970, 102269, 118764, 148455, 197940, 204538, 296910, 306807, 409076, 511345, 593820, 613614, 920421, 1022690, 1227228, 1534035, 1840842, 2045380, 3068070, 3681684, 4602105, 6136140, 9204210, 18408420]

約数ペア:

[(1, 18408420), (2, 9204210), (3, 6136140), (4, 4602105), (5, 3681684), (6, 3068070), (9, 2045380), (10, 1840842), (12, 1534035), (15, 1227228), (18, 1022690), (20, 920421), (30, 613614), (31, 593820), (36, 511345), (45, 409076), (60, 306807), (62, 296910), (90, 204538), (93, 197940), (124, 148455), (155, 118764), (180, 102269), (186, 98970), (279, 65980), (310, 59382), (372, 49485), (465, 39588), (558, 32990), (620, 29691), (930, 19794), (1116, 16495), (1395, 13196), (1860, 9897), (2790, 6598), (3299, 5580)]