80368680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:659

約数の個数: 128

約数和(自身を含む): 277390080

約数和(自身を除く): 197021400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 241, 280, 397, 420, 482, 723, 794, 840, 964, 1191, 1205, 1446, 1588, 1687, 1928, 1985, 2382, 2410, 2779, 2892, 3176, 3374, 3615, 3970, 4764, 4820, 5061, 5558, 5784, 5955, 6748, 7230, 7940, 8337, 8435, 9528, 9640, 10122, 11116, 11910, 13496, 13895, 14460, 15880, 16674, 16870, 20244, 22232, 23820, 25305, 27790, 28920, 33348, 33740, 40488, 41685, 47640, 50610, 55580, 66696, 67480, 83370, 95677, 101220, 111160, 166740, 191354, 202440, 287031, 333480, 382708, 478385, 574062, 669739, 765416, 956770, 1148124, 1339478, 1435155, 1913540, 2009217, 2296248, 2678956, 2870310, 3348695, 3827080, 4018434, 5357912, 5740620, 6697390, 8036868, 10046085, 11481240, 13394780, 16073736, 20092170, 26789560, 40184340, 80368680]

約数ペア:

[(1, 80368680), (2, 40184340), (3, 26789560), (4, 20092170), (5, 16073736), (6, 13394780), (7, 11481240), (8, 10046085), (10, 8036868), (12, 6697390), (14, 5740620), (15, 5357912), (20, 4018434), (21, 3827080), (24, 3348695), (28, 2870310), (30, 2678956), (35, 2296248), (40, 2009217), (42, 1913540), (56, 1435155), (60, 1339478), (70, 1148124), (84, 956770), (105, 765416), (120, 669739), (140, 574062), (168, 478385), (210, 382708), (241, 333480), (280, 287031), (397, 202440), (420, 191354), (482, 166740), (723, 111160), (794, 101220), (840, 95677), (964, 83370), (1191, 67480), (1205, 66696), (1446, 55580), (1588, 50610), (1687, 47640), (1928, 41685), (1985, 40488), (2382, 33740), (2410, 33348), (2779, 28920), (2892, 27790), (3176, 25305), (3374, 23820), (3615, 22232), (3970, 20244), (4764, 16870), (4820, 16674), (5061, 15880), (5558, 14460), (5784, 13895), (5955, 13496), (6748, 11910), (7230, 11116), (7940, 10122), (8337, 9640), (8435, 9528)]