131530140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:912

約数の個数: 144

約数和(自身を含む): 459863040

約数和(自身を除く): 328332900

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, 139, 140, 180, 210, 252, 278, 315, 417, 420, 556, 630, 695, 751, 834, 973, 1251, 1260, 1390, 1502, 1668, 1946, 2085, 2253, 2502, 2780, 2919, 3004, 3755, 3892, 4170, 4506, 4865, 5004, 5257, 5838, 6255, 6759, 7510, 8340, 8757, 9012, 9730, 10514, 11265, 11676, 12510, 13518, 14595, 15020, 15771, 17514, 19460, 21028, 22530, 25020, 26285, 27036, 29190, 31542, 33795, 35028, 43785, 45060, 47313, 52570, 58380, 63084, 67590, 78855, 87570, 94626, 104389, 105140, 135180, 157710, 175140, 189252, 208778, 236565, 313167, 315420, 417556, 473130, 521945, 626334, 730723, 939501, 946260, 1043890, 1252668, 1461446, 1565835, 1879002, 2087780, 2192169, 2922892, 3131670, 3653615, 3758004, 4384338, 4697505, 6263340, 6576507, 7307230, 8768676, 9395010, 10960845, 13153014, 14614460, 18790020, 21921690, 26306028, 32882535, 43843380, 65765070, 131530140]

約数ペア:

[(1, 131530140), (2, 65765070), (3, 43843380), (4, 32882535), (5, 26306028), (6, 21921690), (7, 18790020), (9, 14614460), (10, 13153014), (12, 10960845), (14, 9395010), (15, 8768676), (18, 7307230), (20, 6576507), (21, 6263340), (28, 4697505), (30, 4384338), (35, 3758004), (36, 3653615), (42, 3131670), (45, 2922892), (60, 2192169), (63, 2087780), (70, 1879002), (84, 1565835), (90, 1461446), (105, 1252668), (126, 1043890), (139, 946260), (140, 939501), (180, 730723), (210, 626334), (252, 521945), (278, 473130), (315, 417556), (417, 315420), (420, 313167), (556, 236565), (630, 208778), (695, 189252), (751, 175140), (834, 157710), (973, 135180), (1251, 105140), (1260, 104389), (1390, 94626), (1502, 87570), (1668, 78855), (1946, 67590), (2085, 63084), (2253, 58380), (2502, 52570), (2780, 47313), (2919, 45060), (3004, 43785), (3755, 35028), (3892, 33795), (4170, 31542), (4506, 29190), (4865, 27036), (5004, 26285), (5257, 25020), (5838, 22530), (6255, 21028), (6759, 19460), (7510, 17514), (8340, 15771), (8757, 15020), (9012, 14595), (9730, 13518), (10514, 12510), (11265, 11676)]