7240140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 24242400

約数和(自身を除く): 17002260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 73, 76, 87, 90, 95, 114, 116, 145, 146, 171, 174, 180, 190, 219, 228, 261, 285, 290, 292, 342, 348, 365, 380, 435, 438, 522, 551, 570, 580, 657, 684, 730, 855, 870, 876, 1044, 1095, 1102, 1140, 1305, 1314, 1387, 1460, 1653, 1710, 1740, 2117, 2190, 2204, 2610, 2628, 2755, 2774, 3285, 3306, 3420, 4161, 4234, 4380, 4959, 5220, 5510, 5548, 6351, 6570, 6612, 6935, 8265, 8322, 8468, 9918, 10585, 11020, 12483, 12702, 13140, 13870, 16530, 16644, 19053, 19836, 20805, 21170, 24795, 24966, 25404, 27740, 31755, 33060, 38106, 40223, 41610, 42340, 49590, 49932, 62415, 63510, 76212, 80446, 83220, 95265, 99180, 120669, 124830, 127020, 160892, 190530, 201115, 241338, 249660, 362007, 381060, 402230, 482676, 603345, 724014, 804460, 1206690, 1448028, 1810035, 2413380, 3620070, 7240140]

約数ペア:

[(1, 7240140), (2, 3620070), (3, 2413380), (4, 1810035), (5, 1448028), (6, 1206690), (9, 804460), (10, 724014), (12, 603345), (15, 482676), (18, 402230), (19, 381060), (20, 362007), (29, 249660), (30, 241338), (36, 201115), (38, 190530), (45, 160892), (57, 127020), (58, 124830), (60, 120669), (73, 99180), (76, 95265), (87, 83220), (90, 80446), (95, 76212), (114, 63510), (116, 62415), (145, 49932), (146, 49590), (171, 42340), (174, 41610), (180, 40223), (190, 38106), (219, 33060), (228, 31755), (261, 27740), (285, 25404), (290, 24966), (292, 24795), (342, 21170), (348, 20805), (365, 19836), (380, 19053), (435, 16644), (438, 16530), (522, 13870), (551, 13140), (570, 12702), (580, 12483), (657, 11020), (684, 10585), (730, 9918), (855, 8468), (870, 8322), (876, 8265), (1044, 6935), (1095, 6612), (1102, 6570), (1140, 6351), (1305, 5548), (1314, 5510), (1387, 5220), (1460, 4959), (1653, 4380), (1710, 4234), (1740, 4161), (2117, 3420), (2190, 3306), (2204, 3285), (2610, 2774), (2628, 2755)]