1720740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 5854464

約数和(自身を除く): 4133724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 241, 255, 340, 357, 420, 476, 482, 510, 595, 714, 723, 964, 1020, 1190, 1205, 1428, 1446, 1687, 1785, 2380, 2410, 2892, 3374, 3570, 3615, 4097, 4820, 5061, 6748, 7140, 7230, 8194, 8435, 10122, 12291, 14460, 16388, 16870, 20244, 20485, 24582, 25305, 28679, 33740, 40970, 49164, 50610, 57358, 61455, 81940, 86037, 101220, 114716, 122910, 143395, 172074, 245820, 286790, 344148, 430185, 573580, 860370, 1720740]

約数ペア:

[(1, 1720740), (2, 860370), (3, 573580), (4, 430185), (5, 344148), (6, 286790), (7, 245820), (10, 172074), (12, 143395), (14, 122910), (15, 114716), (17, 101220), (20, 86037), (21, 81940), (28, 61455), (30, 57358), (34, 50610), (35, 49164), (42, 40970), (51, 33740), (60, 28679), (68, 25305), (70, 24582), (84, 20485), (85, 20244), (102, 16870), (105, 16388), (119, 14460), (140, 12291), (170, 10122), (204, 8435), (210, 8194), (238, 7230), (241, 7140), (255, 6748), (340, 5061), (357, 4820), (420, 4097), (476, 3615), (482, 3570), (510, 3374), (595, 2892), (714, 2410), (723, 2380), (964, 1785), (1020, 1687), (1190, 1446), (1205, 1428)]