72039520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 96

約数和(自身を含む): 196390656

約数和(自身を除く): 124351136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 131, 140, 160, 224, 262, 280, 491, 524, 560, 655, 917, 982, 1048, 1120, 1310, 1834, 1964, 2096, 2455, 2620, 3437, 3668, 3928, 4192, 4585, 4910, 5240, 6874, 7336, 7856, 9170, 9820, 10480, 13748, 14672, 15712, 17185, 18340, 19640, 20960, 27496, 29344, 34370, 36680, 39280, 54992, 64321, 68740, 73360, 78560, 109984, 128642, 137480, 146720, 257284, 274960, 321605, 450247, 514568, 549920, 643210, 900494, 1029136, 1286420, 1800988, 2058272, 2251235, 2572840, 3601976, 4502470, 5145680, 7203952, 9004940, 10291360, 14407904, 18009880, 36019760, 72039520]

約数ペア:

[(1, 72039520), (2, 36019760), (4, 18009880), (5, 14407904), (7, 10291360), (8, 9004940), (10, 7203952), (14, 5145680), (16, 4502470), (20, 3601976), (28, 2572840), (32, 2251235), (35, 2058272), (40, 1800988), (56, 1286420), (70, 1029136), (80, 900494), (112, 643210), (131, 549920), (140, 514568), (160, 450247), (224, 321605), (262, 274960), (280, 257284), (491, 146720), (524, 137480), (560, 128642), (655, 109984), (917, 78560), (982, 73360), (1048, 68740), (1120, 64321), (1310, 54992), (1834, 39280), (1964, 36680), (2096, 34370), (2455, 29344), (2620, 27496), (3437, 20960), (3668, 19640), (3928, 18340), (4192, 17185), (4585, 15712), (4910, 14672), (5240, 13748), (6874, 10480), (7336, 9820), (7856, 9170)]