40515720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 140313600

約数和(自身を除く): 99797880

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, 139, 140, 168, 210, 278, 280, 347, 417, 420, 556, 694, 695, 834, 840, 973, 1041, 1112, 1388, 1390, 1668, 1735, 1946, 2082, 2085, 2429, 2776, 2780, 2919, 3336, 3470, 3892, 4164, 4170, 4858, 4865, 5205, 5560, 5838, 6940, 7287, 7784, 8328, 8340, 9716, 9730, 10410, 11676, 12145, 13880, 14574, 14595, 16680, 19432, 19460, 20820, 23352, 24290, 29148, 29190, 36435, 38920, 41640, 48233, 48580, 58296, 58380, 72870, 96466, 97160, 116760, 144699, 145740, 192932, 241165, 289398, 291480, 337631, 385864, 482330, 578796, 675262, 723495, 964660, 1012893, 1157592, 1350524, 1446990, 1688155, 1929320, 2025786, 2701048, 2893980, 3376310, 4051572, 5064465, 5787960, 6752620, 8103144, 10128930, 13505240, 20257860, 40515720]

約数ペア:

[(1, 40515720), (2, 20257860), (3, 13505240), (4, 10128930), (5, 8103144), (6, 6752620), (7, 5787960), (8, 5064465), (10, 4051572), (12, 3376310), (14, 2893980), (15, 2701048), (20, 2025786), (21, 1929320), (24, 1688155), (28, 1446990), (30, 1350524), (35, 1157592), (40, 1012893), (42, 964660), (56, 723495), (60, 675262), (70, 578796), (84, 482330), (105, 385864), (120, 337631), (139, 291480), (140, 289398), (168, 241165), (210, 192932), (278, 145740), (280, 144699), (347, 116760), (417, 97160), (420, 96466), (556, 72870), (694, 58380), (695, 58296), (834, 48580), (840, 48233), (973, 41640), (1041, 38920), (1112, 36435), (1388, 29190), (1390, 29148), (1668, 24290), (1735, 23352), (1946, 20820), (2082, 19460), (2085, 19432), (2429, 16680), (2776, 14595), (2780, 14574), (2919, 13880), (3336, 12145), (3470, 11676), (3892, 10410), (4164, 9730), (4170, 9716), (4858, 8340), (4865, 8328), (5205, 7784), (5560, 7287), (5838, 6940)]