79721568

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:909

約数の個数: 144

約数和(自身を含む): 252972720

約数和(自身を除く): 173251152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 68, 72, 76, 96, 102, 114, 136, 144, 152, 153, 171, 204, 228, 272, 288, 304, 306, 323, 342, 408, 456, 544, 608, 612, 646, 684, 816, 857, 912, 969, 1224, 1292, 1368, 1632, 1714, 1824, 1938, 2448, 2571, 2584, 2736, 2907, 3428, 3876, 4896, 5142, 5168, 5472, 5814, 6856, 7713, 7752, 10284, 10336, 11628, 13712, 14569, 15426, 15504, 16283, 20568, 23256, 27424, 29138, 30852, 31008, 32566, 41136, 43707, 46512, 48849, 58276, 61704, 65132, 82272, 87414, 93024, 97698, 116552, 123408, 130264, 131121, 146547, 174828, 195396, 233104, 246816, 260528, 262242, 276811, 293094, 349656, 390792, 466208, 521056, 524484, 553622, 586188, 699312, 781584, 830433, 1048968, 1107244, 1172376, 1398624, 1563168, 1660866, 2097936, 2214488, 2344752, 2491299, 3321732, 4195872, 4428976, 4689504, 4982598, 6643464, 8857952, 9965196, 13286928, 19930392, 26573856, 39860784, 79721568]

約数ペア:

[(1, 79721568), (2, 39860784), (3, 26573856), (4, 19930392), (6, 13286928), (8, 9965196), (9, 8857952), (12, 6643464), (16, 4982598), (17, 4689504), (18, 4428976), (19, 4195872), (24, 3321732), (32, 2491299), (34, 2344752), (36, 2214488), (38, 2097936), (48, 1660866), (51, 1563168), (57, 1398624), (68, 1172376), (72, 1107244), (76, 1048968), (96, 830433), (102, 781584), (114, 699312), (136, 586188), (144, 553622), (152, 524484), (153, 521056), (171, 466208), (204, 390792), (228, 349656), (272, 293094), (288, 276811), (304, 262242), (306, 260528), (323, 246816), (342, 233104), (408, 195396), (456, 174828), (544, 146547), (608, 131121), (612, 130264), (646, 123408), (684, 116552), (816, 97698), (857, 93024), (912, 87414), (969, 82272), (1224, 65132), (1292, 61704), (1368, 58276), (1632, 48849), (1714, 46512), (1824, 43707), (1938, 41136), (2448, 32566), (2571, 31008), (2584, 30852), (2736, 29138), (2907, 27424), (3428, 23256), (3876, 20568), (4896, 16283), (5142, 15504), (5168, 15426), (5472, 14569), (5814, 13712), (6856, 11628), (7713, 10336), (7752, 10284)]