641760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 2322432

約数和(自身を除く): 1680672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 191, 210, 224, 240, 280, 336, 382, 420, 480, 560, 573, 672, 764, 840, 955, 1120, 1146, 1337, 1528, 1680, 1910, 2292, 2674, 2865, 3056, 3360, 3820, 4011, 4584, 5348, 5730, 6112, 6685, 7640, 8022, 9168, 10696, 11460, 13370, 15280, 16044, 18336, 20055, 21392, 22920, 26740, 30560, 32088, 40110, 42784, 45840, 53480, 64176, 80220, 91680, 106960, 128352, 160440, 213920, 320880, 641760]

約数ペア:

[(1, 641760), (2, 320880), (3, 213920), (4, 160440), (5, 128352), (6, 106960), (7, 91680), (8, 80220), (10, 64176), (12, 53480), (14, 45840), (15, 42784), (16, 40110), (20, 32088), (21, 30560), (24, 26740), (28, 22920), (30, 21392), (32, 20055), (35, 18336), (40, 16044), (42, 15280), (48, 13370), (56, 11460), (60, 10696), (70, 9168), (80, 8022), (84, 7640), (96, 6685), (105, 6112), (112, 5730), (120, 5348), (140, 4584), (160, 4011), (168, 3820), (191, 3360), (210, 3056), (224, 2865), (240, 2674), (280, 2292), (336, 1910), (382, 1680), (420, 1528), (480, 1337), (560, 1146), (573, 1120), (672, 955), (764, 840)]