2140740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1699}}^1$

素因数の和:1721

約数の個数: 72

約数和(自身を含む): 7425600

約数和(自身を除く): 5284860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1699, 3398, 5097, 6796, 8495, 10194, 11893, 15291, 16990, 20388, 23786, 25485, 30582, 33980, 35679, 47572, 50970, 59465, 61164, 71358, 76455, 101940, 107037, 118930, 142716, 152910, 178395, 214074, 237860, 305820, 356790, 428148, 535185, 713580, 1070370, 2140740]

約数ペア:

[(1, 2140740), (2, 1070370), (3, 713580), (4, 535185), (5, 428148), (6, 356790), (7, 305820), (9, 237860), (10, 214074), (12, 178395), (14, 152910), (15, 142716), (18, 118930), (20, 107037), (21, 101940), (28, 76455), (30, 71358), (35, 61164), (36, 59465), (42, 50970), (45, 47572), (60, 35679), (63, 33980), (70, 30582), (84, 25485), (90, 23786), (105, 20388), (126, 16990), (140, 15291), (180, 11893), (210, 10194), (252, 8495), (315, 6796), (420, 5097), (630, 3398), (1260, 1699)]