161728812

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 180

約数和(自身を含む): 502874064

約数和(自身を除く): 341145252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 61, 63, 81, 84, 98, 108, 122, 126, 147, 162, 167, 183, 189, 196, 244, 252, 294, 324, 334, 366, 378, 427, 441, 501, 549, 567, 588, 668, 732, 756, 854, 882, 1002, 1098, 1134, 1169, 1281, 1323, 1503, 1647, 1708, 1764, 2004, 2196, 2268, 2338, 2562, 2646, 2989, 3006, 3294, 3507, 3843, 3969, 4509, 4676, 4941, 5124, 5292, 5978, 6012, 6588, 7014, 7686, 7938, 8183, 8967, 9018, 9882, 10187, 10521, 11529, 11956, 13527, 14028, 15372, 15876, 16366, 17934, 18036, 19764, 20374, 21042, 23058, 24549, 26901, 27054, 30561, 31563, 32732, 34587, 35868, 40748, 42084, 46116, 49098, 53802, 54108, 61122, 63126, 69174, 71309, 73647, 80703, 91683, 94689, 98196, 107604, 122244, 126252, 138348, 142618, 147294, 161406, 183366, 189378, 213927, 220941, 242109, 275049, 285236, 294588, 322812, 366732, 378756, 427854, 441882, 484218, 499163, 550098, 641781, 662823, 825147, 855708, 883764, 968436, 998326, 1100196, 1283562, 1325646, 1497489, 1650294, 1925343, 1996652, 2567124, 2651292, 2994978, 3300588, 3850686, 4492467, 5776029, 5989956, 7701372, 8984934, 11552058, 13477401, 17969868, 23104116, 26954802, 40432203, 53909604, 80864406, 161728812]

約数ペア:

[(1, 161728812), (2, 80864406), (3, 53909604), (4, 40432203), (6, 26954802), (7, 23104116), (9, 17969868), (12, 13477401), (14, 11552058), (18, 8984934), (21, 7701372), (27, 5989956), (28, 5776029), (36, 4492467), (42, 3850686), (49, 3300588), (54, 2994978), (61, 2651292), (63, 2567124), (81, 1996652), (84, 1925343), (98, 1650294), (108, 1497489), (122, 1325646), (126, 1283562), (147, 1100196), (162, 998326), (167, 968436), (183, 883764), (189, 855708), (196, 825147), (244, 662823), (252, 641781), (294, 550098), (324, 499163), (334, 484218), (366, 441882), (378, 427854), (427, 378756), (441, 366732), (501, 322812), (549, 294588), (567, 285236), (588, 275049), (668, 242109), (732, 220941), (756, 213927), (854, 189378), (882, 183366), (1002, 161406), (1098, 147294), (1134, 142618), (1169, 138348), (1281, 126252), (1323, 122244), (1503, 107604), (1647, 98196), (1708, 94689), (1764, 91683), (2004, 80703), (2196, 73647), (2268, 71309), (2338, 69174), (2562, 63126), (2646, 61122), (2989, 54108), (3006, 53802), (3294, 49098), (3507, 46116), (3843, 42084), (3969, 40748), (4509, 35868), (4676, 34587), (4941, 32732), (5124, 31563), (5292, 30561), (5978, 27054), (6012, 26901), (6588, 24549), (7014, 23058), (7686, 21042), (7938, 20374), (8183, 19764), (8967, 18036), (9018, 17934), (9882, 16366), (10187, 15876), (10521, 15372), (11529, 14028), (11956, 13527)]