201553380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:847

約数の個数: 192

約数和(自身を含む): 727695360

約数和(自身を除く): 526141980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 84, 90, 105, 108, 126, 135, 140, 142, 180, 189, 210, 213, 252, 270, 284, 315, 355, 378, 420, 426, 497, 540, 630, 639, 710, 751, 756, 852, 945, 994, 1065, 1260, 1278, 1420, 1491, 1502, 1890, 1917, 1988, 2130, 2253, 2485, 2556, 2982, 3004, 3195, 3755, 3780, 3834, 4260, 4473, 4506, 4970, 5257, 5964, 6390, 6759, 7455, 7510, 7668, 8946, 9012, 9585, 9940, 10514, 11265, 12780, 13419, 13518, 14910, 15020, 15771, 17892, 19170, 20277, 21028, 22365, 22530, 26285, 26838, 27036, 29820, 31542, 33795, 38340, 40554, 44730, 45060, 47313, 52570, 53321, 53676, 63084, 67095, 67590, 78855, 81108, 89460, 94626, 101385, 105140, 106642, 134190, 135180, 141939, 157710, 159963, 189252, 202770, 213284, 236565, 266605, 268380, 283878, 315420, 319926, 373247, 405540, 473130, 479889, 533210, 567756, 639852, 709695, 746494, 799815, 946260, 959778, 1066420, 1119741, 1419390, 1439667, 1492988, 1599630, 1866235, 1919556, 2239482, 2399445, 2838780, 2879334, 3199260, 3359223, 3732470, 4478964, 4798890, 5598705, 5758668, 6718446, 7198335, 7464940, 9597780, 10077669, 11197410, 13436892, 14396670, 16796115, 20155338, 22394820, 28793340, 33592230, 40310676, 50388345, 67184460, 100776690, 201553380]

約数ペア:

[(1, 201553380), (2, 100776690), (3, 67184460), (4, 50388345), (5, 40310676), (6, 33592230), (7, 28793340), (9, 22394820), (10, 20155338), (12, 16796115), (14, 14396670), (15, 13436892), (18, 11197410), (20, 10077669), (21, 9597780), (27, 7464940), (28, 7198335), (30, 6718446), (35, 5758668), (36, 5598705), (42, 4798890), (45, 4478964), (54, 3732470), (60, 3359223), (63, 3199260), (70, 2879334), (71, 2838780), (84, 2399445), (90, 2239482), (105, 1919556), (108, 1866235), (126, 1599630), (135, 1492988), (140, 1439667), (142, 1419390), (180, 1119741), (189, 1066420), (210, 959778), (213, 946260), (252, 799815), (270, 746494), (284, 709695), (315, 639852), (355, 567756), (378, 533210), (420, 479889), (426, 473130), (497, 405540), (540, 373247), (630, 319926), (639, 315420), (710, 283878), (751, 268380), (756, 266605), (852, 236565), (945, 213284), (994, 202770), (1065, 189252), (1260, 159963), (1278, 157710), (1420, 141939), (1491, 135180), (1502, 134190), (1890, 106642), (1917, 105140), (1988, 101385), (2130, 94626), (2253, 89460), (2485, 81108), (2556, 78855), (2982, 67590), (3004, 67095), (3195, 63084), (3755, 53676), (3780, 53321), (3834, 52570), (4260, 47313), (4473, 45060), (4506, 44730), (4970, 40554), (5257, 38340), (5964, 33795), (6390, 31542), (6759, 29820), (7455, 27036), (7510, 26838), (7668, 26285), (8946, 22530), (9012, 22365), (9585, 21028), (9940, 20277), (10514, 19170), (11265, 17892), (12780, 15771), (13419, 15020), (13518, 14910)]