81560304

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{3853}}^1$

素因数の和:3884

約数の個数: 120

約数和(自身を含む): 272400720

約数和(自身を除く): 190840416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1176, 1323, 1512, 1764, 2352, 2646, 3024, 3528, 3853, 5292, 7056, 7706, 10584, 11559, 15412, 21168, 23118, 26971, 30824, 34677, 46236, 53942, 61648, 69354, 80913, 92472, 104031, 107884, 138708, 161826, 184944, 188797, 208062, 215768, 242739, 277416, 323652, 377594, 416124, 431536, 485478, 554832, 566391, 647304, 728217, 755188, 832248, 970956, 1132782, 1294608, 1456434, 1510376, 1664496, 1699173, 1941912, 2265564, 2912868, 3020752, 3398346, 3883824, 4531128, 5097519, 5825736, 6796692, 9062256, 10195038, 11651472, 13593384, 20390076, 27186768, 40780152, 81560304]

約数ペア:

[(1, 81560304), (2, 40780152), (3, 27186768), (4, 20390076), (6, 13593384), (7, 11651472), (8, 10195038), (9, 9062256), (12, 6796692), (14, 5825736), (16, 5097519), (18, 4531128), (21, 3883824), (24, 3398346), (27, 3020752), (28, 2912868), (36, 2265564), (42, 1941912), (48, 1699173), (49, 1664496), (54, 1510376), (56, 1456434), (63, 1294608), (72, 1132782), (84, 970956), (98, 832248), (108, 755188), (112, 728217), (126, 647304), (144, 566391), (147, 554832), (168, 485478), (189, 431536), (196, 416124), (216, 377594), (252, 323652), (294, 277416), (336, 242739), (378, 215768), (392, 208062), (432, 188797), (441, 184944), (504, 161826), (588, 138708), (756, 107884), (784, 104031), (882, 92472), (1008, 80913), (1176, 69354), (1323, 61648), (1512, 53942), (1764, 46236), (2352, 34677), (2646, 30824), (3024, 26971), (3528, 23118), (3853, 21168), (5292, 15412), (7056, 11559), (7706, 10584)]