581805540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:762

約数の個数: 144

約数和(自身を含む): 1837442880

約数和(自身を除く): 1255637340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 227, 261, 290, 348, 435, 454, 491, 522, 580, 681, 870, 908, 982, 1044, 1135, 1305, 1362, 1473, 1740, 1964, 2043, 2270, 2455, 2610, 2724, 2946, 3405, 4086, 4419, 4540, 4910, 5220, 5892, 6583, 6810, 7365, 8172, 8838, 9820, 10215, 13166, 13620, 14239, 14730, 17676, 19749, 20430, 22095, 26332, 28478, 29460, 32915, 39498, 40860, 42717, 44190, 56956, 59247, 65830, 71195, 78996, 85434, 88380, 98745, 111457, 118494, 128151, 131660, 142390, 170868, 197490, 213585, 222914, 236988, 256302, 284780, 296235, 334371, 394980, 427170, 445828, 512604, 557285, 592470, 640755, 668742, 854340, 1003113, 1114570, 1184940, 1281510, 1337484, 1671855, 2006226, 2229140, 2563020, 3232253, 3343710, 4012452, 5015565, 6464506, 6687420, 9696759, 10031130, 12929012, 16161265, 19393518, 20062260, 29090277, 32322530, 38787036, 48483795, 58180554, 64645060, 96967590, 116361108, 145451385, 193935180, 290902770, 581805540]

約数ペア:

[(1, 581805540), (2, 290902770), (3, 193935180), (4, 145451385), (5, 116361108), (6, 96967590), (9, 64645060), (10, 58180554), (12, 48483795), (15, 38787036), (18, 32322530), (20, 29090277), (29, 20062260), (30, 19393518), (36, 16161265), (45, 12929012), (58, 10031130), (60, 9696759), (87, 6687420), (90, 6464506), (116, 5015565), (145, 4012452), (174, 3343710), (180, 3232253), (227, 2563020), (261, 2229140), (290, 2006226), (348, 1671855), (435, 1337484), (454, 1281510), (491, 1184940), (522, 1114570), (580, 1003113), (681, 854340), (870, 668742), (908, 640755), (982, 592470), (1044, 557285), (1135, 512604), (1305, 445828), (1362, 427170), (1473, 394980), (1740, 334371), (1964, 296235), (2043, 284780), (2270, 256302), (2455, 236988), (2610, 222914), (2724, 213585), (2946, 197490), (3405, 170868), (4086, 142390), (4419, 131660), (4540, 128151), (4910, 118494), (5220, 111457), (5892, 98745), (6583, 88380), (6810, 85434), (7365, 78996), (8172, 71195), (8838, 65830), (9820, 59247), (10215, 56956), (13166, 44190), (13620, 42717), (14239, 40860), (14730, 39498), (17676, 32915), (19749, 29460), (20430, 28478), (22095, 26332)]