15920520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1755

約数の個数: 128

約数和(自身を含む): 59581440

約数和(自身を除く): 43660920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1723, 1848, 2310, 3080, 3446, 4620, 5169, 6892, 8615, 9240, 10338, 12061, 13784, 17230, 18953, 20676, 24122, 25845, 34460, 36183, 37906, 41352, 48244, 51690, 56859, 60305, 68920, 72366, 75812, 94765, 96488, 103380, 113718, 120610, 132671, 144732, 151624, 180915, 189530, 206760, 227436, 241220, 265342, 284295, 289464, 361830, 379060, 398013, 454872, 482440, 530684, 568590, 663355, 723660, 758120, 796026, 1061368, 1137180, 1326710, 1447320, 1592052, 1990065, 2274360, 2653420, 3184104, 3980130, 5306840, 7960260, 15920520]

約数ペア:

[(1, 15920520), (2, 7960260), (3, 5306840), (4, 3980130), (5, 3184104), (6, 2653420), (7, 2274360), (8, 1990065), (10, 1592052), (11, 1447320), (12, 1326710), (14, 1137180), (15, 1061368), (20, 796026), (21, 758120), (22, 723660), (24, 663355), (28, 568590), (30, 530684), (33, 482440), (35, 454872), (40, 398013), (42, 379060), (44, 361830), (55, 289464), (56, 284295), (60, 265342), (66, 241220), (70, 227436), (77, 206760), (84, 189530), (88, 180915), (105, 151624), (110, 144732), (120, 132671), (132, 120610), (140, 113718), (154, 103380), (165, 96488), (168, 94765), (210, 75812), (220, 72366), (231, 68920), (264, 60305), (280, 56859), (308, 51690), (330, 48244), (385, 41352), (420, 37906), (440, 36183), (462, 34460), (616, 25845), (660, 24122), (770, 20676), (840, 18953), (924, 17230), (1155, 13784), (1320, 12061), (1540, 10338), (1723, 9240), (1848, 8615), (2310, 6892), (3080, 5169), (3446, 4620)]