121557520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1657}}^1$

素因数の和:1808

約数の個数: 80

約数和(自身を含む): 325657728

約数和(自身を除く): 204100208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1657, 1834, 2096, 2620, 3314, 3668, 4585, 5240, 6628, 7336, 8285, 9170, 10480, 11599, 13256, 14672, 16570, 18340, 23198, 26512, 33140, 36680, 46396, 57995, 66280, 73360, 92792, 115990, 132560, 185584, 217067, 231980, 434134, 463960, 868268, 927920, 1085335, 1519469, 1736536, 2170670, 3038938, 3473072, 4341340, 6077876, 7597345, 8682680, 12155752, 15194690, 17365360, 24311504, 30389380, 60778760, 121557520]

約数ペア:

[(1, 121557520), (2, 60778760), (4, 30389380), (5, 24311504), (7, 17365360), (8, 15194690), (10, 12155752), (14, 8682680), (16, 7597345), (20, 6077876), (28, 4341340), (35, 3473072), (40, 3038938), (56, 2170670), (70, 1736536), (80, 1519469), (112, 1085335), (131, 927920), (140, 868268), (262, 463960), (280, 434134), (524, 231980), (560, 217067), (655, 185584), (917, 132560), (1048, 115990), (1310, 92792), (1657, 73360), (1834, 66280), (2096, 57995), (2620, 46396), (3314, 36680), (3668, 33140), (4585, 26512), (5240, 23198), (6628, 18340), (7336, 16570), (8285, 14672), (9170, 13256), (10480, 11599)]