81343710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 250306560

約数和(自身を除く): 168962850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 193, 210, 223, 270, 315, 378, 386, 446, 579, 630, 669, 945, 965, 1115, 1158, 1338, 1351, 1561, 1737, 1890, 1930, 2007, 2230, 2702, 2895, 3122, 3345, 3474, 4014, 4053, 4683, 5211, 5790, 6021, 6690, 6755, 7805, 8106, 8685, 9366, 10035, 10422, 12042, 12159, 13510, 14049, 15610, 17370, 20070, 20265, 23415, 24318, 26055, 28098, 30105, 36477, 40530, 42147, 43039, 46830, 52110, 60210, 60795, 70245, 72954, 84294, 86078, 121590, 129117, 140490, 182385, 210735, 215195, 258234, 301273, 364770, 387351, 421470, 430390, 602546, 645585, 774702, 903819, 1162053, 1291170, 1506365, 1807638, 1936755, 2324106, 2711457, 3012730, 3873510, 4519095, 5422914, 5810265, 8134371, 9038190, 11620530, 13557285, 16268742, 27114570, 40671855, 81343710]

約数ペア:

[(1, 81343710), (2, 40671855), (3, 27114570), (5, 16268742), (6, 13557285), (7, 11620530), (9, 9038190), (10, 8134371), (14, 5810265), (15, 5422914), (18, 4519095), (21, 3873510), (27, 3012730), (30, 2711457), (35, 2324106), (42, 1936755), (45, 1807638), (54, 1506365), (63, 1291170), (70, 1162053), (90, 903819), (105, 774702), (126, 645585), (135, 602546), (189, 430390), (193, 421470), (210, 387351), (223, 364770), (270, 301273), (315, 258234), (378, 215195), (386, 210735), (446, 182385), (579, 140490), (630, 129117), (669, 121590), (945, 86078), (965, 84294), (1115, 72954), (1158, 70245), (1338, 60795), (1351, 60210), (1561, 52110), (1737, 46830), (1890, 43039), (1930, 42147), (2007, 40530), (2230, 36477), (2702, 30105), (2895, 28098), (3122, 26055), (3345, 24318), (3474, 23415), (4014, 20265), (4053, 20070), (4683, 17370), (5211, 15610), (5790, 14049), (6021, 13510), (6690, 12159), (6755, 12042), (7805, 10422), (8106, 10035), (8685, 9366)]