81015984

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:464

約数の個数: 160

約数和(自身を含む): 270141440

約数和(自身を除く): 189125456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 73, 84, 108, 112, 126, 144, 146, 168, 189, 216, 219, 252, 292, 336, 367, 378, 432, 438, 504, 511, 584, 657, 734, 756, 876, 1008, 1022, 1101, 1168, 1314, 1468, 1512, 1533, 1752, 1971, 2044, 2202, 2569, 2628, 2936, 3024, 3066, 3303, 3504, 3942, 4088, 4404, 4599, 5138, 5256, 5872, 6132, 6606, 7707, 7884, 8176, 8808, 9198, 9909, 10276, 10512, 12264, 13212, 13797, 15414, 15768, 17616, 18396, 19818, 20552, 23121, 24528, 26424, 26791, 27594, 30828, 31536, 36792, 39636, 41104, 46242, 52848, 53582, 55188, 61656, 69363, 73584, 79272, 80373, 92484, 107164, 110376, 123312, 138726, 158544, 160746, 184968, 187537, 214328, 220752, 241119, 277452, 321492, 369936, 375074, 428656, 482238, 554904, 562611, 642984, 723357, 750148, 964476, 1109808, 1125222, 1285968, 1446714, 1500296, 1687833, 1928952, 2250444, 2893428, 3000592, 3375666, 3857904, 4500888, 5063499, 5786856, 6751332, 9001776, 10126998, 11573712, 13502664, 20253996, 27005328, 40507992, 81015984]

約数ペア:

[(1, 81015984), (2, 40507992), (3, 27005328), (4, 20253996), (6, 13502664), (7, 11573712), (8, 10126998), (9, 9001776), (12, 6751332), (14, 5786856), (16, 5063499), (18, 4500888), (21, 3857904), (24, 3375666), (27, 3000592), (28, 2893428), (36, 2250444), (42, 1928952), (48, 1687833), (54, 1500296), (56, 1446714), (63, 1285968), (72, 1125222), (73, 1109808), (84, 964476), (108, 750148), (112, 723357), (126, 642984), (144, 562611), (146, 554904), (168, 482238), (189, 428656), (216, 375074), (219, 369936), (252, 321492), (292, 277452), (336, 241119), (367, 220752), (378, 214328), (432, 187537), (438, 184968), (504, 160746), (511, 158544), (584, 138726), (657, 123312), (734, 110376), (756, 107164), (876, 92484), (1008, 80373), (1022, 79272), (1101, 73584), (1168, 69363), (1314, 61656), (1468, 55188), (1512, 53582), (1533, 52848), (1752, 46242), (1971, 41104), (2044, 39636), (2202, 36792), (2569, 31536), (2628, 30828), (2936, 27594), (3024, 26791), (3066, 26424), (3303, 24528), (3504, 23121), (3942, 20552), (4088, 19818), (4404, 18396), (4599, 17616), (5138, 15768), (5256, 15414), (5872, 13797), (6132, 13212), (6606, 12264), (7707, 10512), (7884, 10276), (8176, 9909), (8808, 9198)]