15378120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 128

約数和(自身を含む): 53136000

約数和(自身を除く): 37757880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 491, 522, 540, 580, 696, 783, 870, 982, 1044, 1080, 1160, 1305, 1473, 1566, 1740, 1964, 2088, 2455, 2610, 2946, 3132, 3480, 3915, 3928, 4419, 4910, 5220, 5892, 6264, 7365, 7830, 8838, 9820, 10440, 11784, 13257, 14239, 14730, 15660, 17676, 19640, 22095, 26514, 28478, 29460, 31320, 35352, 42717, 44190, 53028, 56956, 58920, 66285, 71195, 85434, 88380, 106056, 113912, 128151, 132570, 142390, 170868, 176760, 213585, 256302, 265140, 284780, 341736, 384453, 427170, 512604, 530280, 569560, 640755, 768906, 854340, 1025208, 1281510, 1537812, 1708680, 1922265, 2563020, 3075624, 3844530, 5126040, 7689060, 15378120]

約数ペア:

[(1, 15378120), (2, 7689060), (3, 5126040), (4, 3844530), (5, 3075624), (6, 2563020), (8, 1922265), (9, 1708680), (10, 1537812), (12, 1281510), (15, 1025208), (18, 854340), (20, 768906), (24, 640755), (27, 569560), (29, 530280), (30, 512604), (36, 427170), (40, 384453), (45, 341736), (54, 284780), (58, 265140), (60, 256302), (72, 213585), (87, 176760), (90, 170868), (108, 142390), (116, 132570), (120, 128151), (135, 113912), (145, 106056), (174, 88380), (180, 85434), (216, 71195), (232, 66285), (261, 58920), (270, 56956), (290, 53028), (348, 44190), (360, 42717), (435, 35352), (491, 31320), (522, 29460), (540, 28478), (580, 26514), (696, 22095), (783, 19640), (870, 17676), (982, 15660), (1044, 14730), (1080, 14239), (1160, 13257), (1305, 11784), (1473, 10440), (1566, 9820), (1740, 8838), (1964, 7830), (2088, 7365), (2455, 6264), (2610, 5892), (2946, 5220), (3132, 4910), (3480, 4419), (3915, 3928)]