1978830

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{349}}^1$

素因数の和:375

約数の個数: 80

約数和(自身を含む): 6098400

約数和(自身を除く): 4119570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 349, 378, 405, 567, 630, 698, 810, 945, 1047, 1134, 1745, 1890, 2094, 2443, 2835, 3141, 3490, 4886, 5235, 5670, 6282, 7329, 9423, 10470, 12215, 14658, 15705, 18846, 21987, 24430, 28269, 31410, 36645, 43974, 47115, 56538, 65961, 73290, 94230, 109935, 131922, 141345, 197883, 219870, 282690, 329805, 395766, 659610, 989415, 1978830]

約数ペア:

[(1, 1978830), (2, 989415), (3, 659610), (5, 395766), (6, 329805), (7, 282690), (9, 219870), (10, 197883), (14, 141345), (15, 131922), (18, 109935), (21, 94230), (27, 73290), (30, 65961), (35, 56538), (42, 47115), (45, 43974), (54, 36645), (63, 31410), (70, 28269), (81, 24430), (90, 21987), (105, 18846), (126, 15705), (135, 14658), (162, 12215), (189, 10470), (210, 9423), (270, 7329), (315, 6282), (349, 5670), (378, 5235), (405, 4886), (567, 3490), (630, 3141), (698, 2835), (810, 2443), (945, 2094), (1047, 1890), (1134, 1745)]