81809136

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9967}}^1$

素因数の和:10003

約数の個数: 80

約数和(自身を含む): 247206400

約数和(自身を除く): 165397264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 9967, 19934, 29901, 39868, 59802, 79736, 89703, 119604, 159472, 179406, 189373, 239208, 269109, 358812, 378746, 478416, 538218, 568119, 717624, 757492, 1076436, 1136238, 1435248, 1514984, 1704357, 2152872, 2272476, 3029968, 3408714, 4305744, 4544952, 5113071, 6817428, 9089904, 10226142, 13634856, 20452284, 27269712, 40904568, 81809136]

約数ペア:

[(1, 81809136), (2, 40904568), (3, 27269712), (4, 20452284), (6, 13634856), (8, 10226142), (9, 9089904), (12, 6817428), (16, 5113071), (18, 4544952), (19, 4305744), (24, 3408714), (27, 3029968), (36, 2272476), (38, 2152872), (48, 1704357), (54, 1514984), (57, 1435248), (72, 1136238), (76, 1076436), (108, 757492), (114, 717624), (144, 568119), (152, 538218), (171, 478416), (216, 378746), (228, 358812), (304, 269109), (342, 239208), (432, 189373), (456, 179406), (513, 159472), (684, 119604), (912, 89703), (1026, 79736), (1368, 59802), (2052, 39868), (2736, 29901), (4104, 19934), (8208, 9967)]