40720806

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:411

約数の個数: 80

約数和(自身を含む): 105415200

約数和(自身を除く): 64694394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 149, 162, 189, 241, 298, 378, 447, 482, 567, 723, 894, 1043, 1134, 1341, 1446, 1687, 2086, 2169, 2682, 3129, 3374, 4023, 4338, 5061, 6258, 6507, 8046, 9387, 10122, 12069, 13014, 15183, 18774, 19521, 24138, 28161, 30366, 35909, 39042, 45549, 56322, 71818, 84483, 91098, 107727, 136647, 168966, 215454, 251363, 273294, 323181, 502726, 646362, 754089, 969543, 1508178, 1939086, 2262267, 2908629, 4524534, 5817258, 6786801, 13573602, 20360403, 40720806]

約数ペア:

[(1, 40720806), (2, 20360403), (3, 13573602), (6, 6786801), (7, 5817258), (9, 4524534), (14, 2908629), (18, 2262267), (21, 1939086), (27, 1508178), (42, 969543), (54, 754089), (63, 646362), (81, 502726), (126, 323181), (149, 273294), (162, 251363), (189, 215454), (241, 168966), (298, 136647), (378, 107727), (447, 91098), (482, 84483), (567, 71818), (723, 56322), (894, 45549), (1043, 39042), (1134, 35909), (1341, 30366), (1446, 28161), (1687, 24138), (2086, 19521), (2169, 18774), (2682, 15183), (3129, 13014), (3374, 12069), (4023, 10122), (4338, 9387), (5061, 8046), (6258, 6507)]