1280956140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{1667}}^1$

素因数の和:3108

約数の個数: 96

約数和(自身を含む): 3990389760

約数和(自身を除く): 2709433620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1423, 1667, 2846, 3334, 4269, 5001, 5692, 6668, 7115, 8335, 8538, 10002, 12807, 14230, 15003, 16670, 17076, 20004, 21345, 25005, 25614, 28460, 30006, 33340, 38421, 42690, 45009, 50010, 51228, 60012, 64035, 75015, 76842, 85380, 90018, 100020, 128070, 150030, 153684, 180036, 192105, 225045, 256140, 300060, 384210, 450090, 768420, 900180, 2372141, 4744282, 7116423, 9488564, 11860705, 14232846, 21349269, 23721410, 28465692, 35582115, 42698538, 47442820, 64047807, 71164230, 85397076, 106746345, 128095614, 142328460, 213492690, 256191228, 320239035, 426985380, 640478070, 1280956140]

約数ペア:

[(1, 1280956140), (2, 640478070), (3, 426985380), (4, 320239035), (5, 256191228), (6, 213492690), (9, 142328460), (10, 128095614), (12, 106746345), (15, 85397076), (18, 71164230), (20, 64047807), (27, 47442820), (30, 42698538), (36, 35582115), (45, 28465692), (54, 23721410), (60, 21349269), (90, 14232846), (108, 11860705), (135, 9488564), (180, 7116423), (270, 4744282), (540, 2372141), (1423, 900180), (1667, 768420), (2846, 450090), (3334, 384210), (4269, 300060), (5001, 256140), (5692, 225045), (6668, 192105), (7115, 180036), (8335, 153684), (8538, 150030), (10002, 128070), (12807, 100020), (14230, 90018), (15003, 85380), (16670, 76842), (17076, 75015), (20004, 64035), (21345, 60012), (25005, 51228), (25614, 50010), (28460, 45009), (30006, 42690), (33340, 38421)]