81225648

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1403

約数の個数: 120

約数和(自身を含む): 264251936

約数和(自身を除く): 183026288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 366, 427, 488, 504, 549, 732, 854, 976, 1008, 1098, 1281, 1321, 1464, 1708, 2196, 2562, 2642, 2928, 3416, 3843, 3963, 4392, 5124, 5284, 6832, 7686, 7926, 8784, 9247, 10248, 10568, 11889, 15372, 15852, 18494, 20496, 21136, 23778, 27741, 30744, 31704, 36988, 47556, 55482, 61488, 63408, 73976, 80581, 83223, 95112, 110964, 147952, 161162, 166446, 190224, 221928, 241743, 322324, 332892, 443856, 483486, 564067, 644648, 665784, 725229, 966972, 1128134, 1289296, 1331568, 1450458, 1692201, 1933944, 2256268, 2900916, 3384402, 3867888, 4512536, 5076603, 5801832, 6768804, 9025072, 10153206, 11603664, 13537608, 20306412, 27075216, 40612824, 81225648]

約数ペア:

[(1, 81225648), (2, 40612824), (3, 27075216), (4, 20306412), (6, 13537608), (7, 11603664), (8, 10153206), (9, 9025072), (12, 6768804), (14, 5801832), (16, 5076603), (18, 4512536), (21, 3867888), (24, 3384402), (28, 2900916), (36, 2256268), (42, 1933944), (48, 1692201), (56, 1450458), (61, 1331568), (63, 1289296), (72, 1128134), (84, 966972), (112, 725229), (122, 665784), (126, 644648), (144, 564067), (168, 483486), (183, 443856), (244, 332892), (252, 322324), (336, 241743), (366, 221928), (427, 190224), (488, 166446), (504, 161162), (549, 147952), (732, 110964), (854, 95112), (976, 83223), (1008, 80581), (1098, 73976), (1281, 63408), (1321, 61488), (1464, 55482), (1708, 47556), (2196, 36988), (2562, 31704), (2642, 30744), (2928, 27741), (3416, 23778), (3843, 21136), (3963, 20496), (4392, 18494), (5124, 15852), (5284, 15372), (6832, 11889), (7686, 10568), (7926, 10248), (8784, 9247)]