17955321720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{111913}}^1$

素因数の和:112125

約数の個数: 128

約数和(自身を含む): 61883965440

約数和(自身を除く): 43928643720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 191, 210, 280, 382, 420, 573, 764, 840, 955, 1146, 1337, 1528, 1910, 2292, 2674, 2865, 3820, 4011, 4584, 5348, 5730, 6685, 7640, 8022, 10696, 11460, 13370, 16044, 20055, 22920, 26740, 32088, 40110, 53480, 80220, 111913, 160440, 223826, 335739, 447652, 559565, 671478, 783391, 895304, 1119130, 1342956, 1566782, 1678695, 2238260, 2350173, 2685912, 3133564, 3357390, 3916955, 4476520, 4700346, 6267128, 6714780, 7833910, 9400692, 11750865, 13429560, 15667820, 18801384, 21375383, 23501730, 31335640, 42750766, 47003460, 64126149, 85501532, 94006920, 106876915, 128252298, 149627681, 171003064, 213753830, 256504596, 299255362, 320630745, 427507660, 448883043, 513009192, 598510724, 641261490, 748138405, 855015320, 897766086, 1197021448, 1282522980, 1496276810, 1795532172, 2244415215, 2565045960, 2992553620, 3591064344, 4488830430, 5985107240, 8977660860, 17955321720]

約数ペア:

[(1, 17955321720), (2, 8977660860), (3, 5985107240), (4, 4488830430), (5, 3591064344), (6, 2992553620), (7, 2565045960), (8, 2244415215), (10, 1795532172), (12, 1496276810), (14, 1282522980), (15, 1197021448), (20, 897766086), (21, 855015320), (24, 748138405), (28, 641261490), (30, 598510724), (35, 513009192), (40, 448883043), (42, 427507660), (56, 320630745), (60, 299255362), (70, 256504596), (84, 213753830), (105, 171003064), (120, 149627681), (140, 128252298), (168, 106876915), (191, 94006920), (210, 85501532), (280, 64126149), (382, 47003460), (420, 42750766), (573, 31335640), (764, 23501730), (840, 21375383), (955, 18801384), (1146, 15667820), (1337, 13429560), (1528, 11750865), (1910, 9400692), (2292, 7833910), (2674, 6714780), (2865, 6267128), (3820, 4700346), (4011, 4476520), (4584, 3916955), (5348, 3357390), (5730, 3133564), (6685, 2685912), (7640, 2350173), (8022, 2238260), (10696, 1678695), (11460, 1566782), (13370, 1342956), (16044, 1119130), (20055, 895304), (22920, 783391), (26740, 671478), (32088, 559565), (40110, 447652), (53480, 335739), (80220, 223826), (111913, 160440)]